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1. Banuprakash S, Jolappara M, Kesavadas C, Saini J, Rao RM, Radhakrishnan VV: Atypical fungal granuloma of the sphenoid wing. J Neuroradiol; 2009 Oct;36(4):233-6
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  • [Title] Atypical fungal granuloma of the sphenoid wing.
  • The conventional imaging findings were typical of meningioma.
  • However, diffusion-weighted imaging (DWI), susceptibility-weighted imaging (SWI) and perfusion-weighted imaging (PWI) all revealed details that were unusual for a meningioma.
  • This case report highlights the importance of advanced neuroimaging techniques in differentiating meningioma and granuloma.
  • [MeSH-minor] Adult. Diagnosis, Differential. Humans. Male. Meningioma / diagnosis

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  • (PMID = 19679356.001).
  • [ISSN] 0150-9861
  • [Journal-full-title] Journal of neuroradiology. Journal de neuroradiologie
  • [ISO-abbreviation] J Neuroradiol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] France
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2. Engenhart-Cabillic R, Farhoud A, Sure U, Heinze S, Henzel M, Mennel HD, Bertalanffy H: Clinicopathologic features of aggressive meningioma emphasizing the role of radiotherapy in treatment. Strahlenther Onkol; 2006 Nov;182(11):641-6
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  • [Title] Clinicopathologic features of aggressive meningioma emphasizing the role of radiotherapy in treatment.
  • PATIENTS AND METHODS: 16 patients with atypical meningiomas (n = 11) and anaplastic meningiomas (n = 5) were treated in the Departments of Neurosurgery and Radiation Oncology at the University Hospital of Philipps University Marburg, Germany, between 1997 and 2003.
  • Patients with atypical meningioma received radiotherapy only for the recurrent disease.
  • By comparing the proliferation rate in four cases with atypical meningioma operated twice, the recurrent tumor had a higher proliferation rate than the first tumor in three cases.
  • There was no mortality among patients with atypical meningioma, while four out of five patients with anaplastic meningioma died during follow-up.
  • The peculiar focal expression patterns of anaplastic meningioma in MIB-1 might be a marker of such malignant development.
  • [MeSH-major] Meningeal Neoplasms / radiotherapy. Meningeal Neoplasms / surgery. Meningioma / radiotherapy. Meningioma / surgery
  • [MeSH-minor] Adult. Age Factors. Aged. Biomarkers. Combined Modality Therapy. Dose Fractionation. Female. Follow-Up Studies. Humans. Ki-67 Antigen / metabolism. Male. Meninges / pathology. Microsurgery. Middle Aged. Neoplasm Recurrence, Local. Practice Guidelines as Topic. Prognosis. Radiotherapy Dosage. Sex Factors. Stereotaxic Techniques. Survival Analysis. Time Factors. World Health Organization

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  • (PMID = 17072521.001).
  • [ISSN] 0179-7158
  • [Journal-full-title] Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al]
  • [ISO-abbreviation] Strahlenther Onkol
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Biomarkers; 0 / Ki-67 Antigen
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3. Erman T, Hanta I, Haciyakupoğlu S, Zorludemir S, Zeren H, Göçer AI: Huge bilateral pulmonary and pleural metastasis from intracranial meningioma: a case report and review of the literature. J Neurooncol; 2005 Sep;74(2):179-81
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  • [Title] Huge bilateral pulmonary and pleural metastasis from intracranial meningioma: a case report and review of the literature.
  • A case of recurrent meningioma with atypical features and extracranial metastases is reported.
  • A 34-year-old female was operated in 1996, 2000, and 2002, and frontal parasagittal meningioma was extirpated.
  • Histological diagnoses of all the resected tumors were meningotheliomatous meningioma, WHO Grade I.
  • Histological diagnosis was reported as an atypical meningioma; meningotheliomatous type; WHO Grade II.
  • Cytopathology was consistent with malignant meningioma, metastasis from the patient's known intracranial meningioma.
  • We reviewed and discussed the histopathological features and mechanisms of metastasizing meningioma.
  • [MeSH-major] Lung Neoplasms / secondary. Meningeal Neoplasms / pathology. Meningioma / secondary. Pleural Neoplasms / secondary
  • [MeSH-minor] Adult. Female. Humans. Magnetic Resonance Imaging. Tomography, X-Ray Computed

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  • (PMID = 16193389.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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4. Velnar T, Bunc G: Iatrogenic metastasis of a benign meningioma to the periosteum at the site of previous craniotomy: a case report. Wien Klin Wochenschr; 2008;120(23-24):766-9
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  • [Title] Iatrogenic metastasis of a benign meningioma to the periosteum at the site of previous craniotomy: a case report.
  • As far as we know, the presented case is the first report in the literature of iatrogenic seeding of a benign meningioma to the scalp following surgery.
  • A 37-year-old woman was admitted because of a relapsing meningioma in the frontal lobe.
  • In 1997, she had undergone complete excision of an atypical meningioma in same location.
  • At follow-up, three new masses were found: a bifrontal meningioma on the edge of the falx, a smaller one in the falx just under the saggital sinus and a small mass, believed to be ectopic, in the periosteum at the site of the previous craniotomy.
  • Histologically, the ectopic tumor was an atypical meningioma, similar to the one excised 10 years previously, with no relation to the other two intracranial masses.
  • [MeSH-major] Craniotomy. Meningeal Neoplasms / surgery. Meningioma / secondary. Meningioma / surgery. Neoplasm Seeding. Neoplasms, Multiple Primary / surgery. Periosteum. Skull Neoplasms / secondary
  • [MeSH-minor] Adult. Female. Humans. Incidental Findings. Magnetic Resonance Imaging. Reoperation. Tomography, X-Ray Computed

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  • (PMID = 19122989.001).
  • [ISSN] 0043-5325
  • [Journal-full-title] Wiener klinische Wochenschrift
  • [ISO-abbreviation] Wien. Klin. Wochenschr.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Austria
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5. Baxter DS, Smith P, Stewart K, Murphy M: Clear cell meningioma presenting as rapidly deteriorating visual field and acuity during pregnancy. J Clin Neurosci; 2009 Nov;16(11):1502-4
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  • [Title] Clear cell meningioma presenting as rapidly deteriorating visual field and acuity during pregnancy.
  • Clear cell meningioma is a rare histological phenotype of meningioma.
  • It has an atypical grade II World Health Organization classification due to a high recurrence rate.
  • [MeSH-major] Meningeal Neoplasms / complications. Meningioma / complications. Perceptual Disorders / etiology. Pregnancy / physiology. Visual Acuity / physiology. Visual Fields / physiology
  • [MeSH-minor] Adult. Female. Humans. Magnetic Resonance Imaging / methods

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  • (PMID = 19632846.001).
  • [ISSN] 1532-2653
  • [Journal-full-title] Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
  • [ISO-abbreviation] J Clin Neurosci
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Scotland
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6. Boss A, Bisdas S, Kolb A, Hofmann M, Ernemann U, Claussen CD, Pfannenberg C, Pichler BJ, Reimold M, Stegger L: Hybrid PET/MRI of intracranial masses: initial experiences and comparison to PET/CT. J Nucl Med; 2010 Aug;51(8):1198-205
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  • Diagnoses at the time of referral were low-grade astrocytoma (n = 2), suspicion of low-grade astrocytoma (n = 1), anaplastic astrocytoma (World Health Organization grade III; n = 1), glioblastoma (n = 2), atypical neurocytoma (n = 1), and meningioma (n = 3).
  • [MeSH-minor] Adult. Aged. Data Interpretation, Statistical. Female. Gallium Radioisotopes. Humans. Image Processing, Computer-Assisted. Male. Methionine. Middle Aged. Octreotide / analogs & derivatives. Pilot Projects. Radiopharmaceuticals. Tomography, Emission-Computed

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  • (PMID = 20660388.001).
  • [ISSN] 1535-5667
  • [Journal-full-title] Journal of nuclear medicine : official publication, Society of Nuclear Medicine
  • [ISO-abbreviation] J. Nucl. Med.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Gallium Radioisotopes; 0 / Radiopharmaceuticals; AE28F7PNPL / Methionine; RWM8CCW8GP / Octreotide; U194AS08HZ / Edotreotide
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7. Schiffer D, Ghimenti C, Fiano V: Absence of histological signs of tumor progression in recurrences of completely resected meningiomas. J Neurooncol; 2005 Jun;73(2):125-30
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  • In meningioma recurrences a tumor progression has been proposed on a molecular genetic basis.
  • The greater number of recurrences in atypical and anaplastic tumors depends on their initial higher proliferation capacity.
  • [MeSH-major] Ki-67 Antigen / metabolism. Meningeal Neoplasms / pathology. Meningeal Neoplasms / surgery. Meningioma / pathology. Meningioma / surgery. Neoplasm Invasiveness / pathology. Neoplasm Recurrence, Local / pathology
  • [MeSH-minor] Adult. Aged. Cyclin-Dependent Kinase Inhibitor p16 / genetics. Diagnosis, Differential. Disease Progression. Female. Humans. Loss of Heterozygosity. Male. Middle Aged. Mitotic Index. Neoplasm Staging. Neoplasm, Residual

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  • (PMID = 15981101.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Cyclin-Dependent Kinase Inhibitor p16; 0 / Ki-67 Antigen
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8. Smith JS, Quiñones-Hinojosa A, Harmon-Smith M, Bollen AW, McDermott MW: Sex steroid and growth factor profile of a meningioma associated with pregnancy. Can J Neurol Sci; 2005 Feb;32(1):122-7
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  • [Title] Sex steroid and growth factor profile of a meningioma associated with pregnancy.
  • METHODS: We describe the presentation of a meningioma during the immediate postpartum period.
  • RESULTS: The lesion proved to be an atypical fibroblastic meningioma grade II (WHO).
  • CONCLUSION: Although clinical regression of meningioma following pregnancy is well-recognized, imaging data are much less abundant.
  • This report provides clear clinical and imaging documentation of a meningioma associated with pregnancy.
  • [MeSH-major] Growth Substances / metabolism. Meningeal Neoplasms / pathology. Meningioma / pathology. Pregnancy Complications. Receptors, Steroid / metabolism
  • [MeSH-minor] Adult. Female. Humans. Immunohistochemistry. Magnetic Resonance Imaging. Placental Lactogen / metabolism. Postpartum Period. Pregnancy. Proto-Oncogene Proteins c-sis / metabolism. Receptor Protein-Tyrosine Kinases / metabolism. Receptor, Epidermal Growth Factor / metabolism. Receptor, Fibroblast Growth Factor, Type 2. Receptors, Estrogen / metabolism. Receptors, Fibroblast Growth Factor / metabolism. Receptors, Progesterone / metabolism

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  • (PMID = 15825560.001).
  • [ISSN] 0317-1671
  • [Journal-full-title] The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques
  • [ISO-abbreviation] Can J Neurol Sci
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Canada
  • [Chemical-registry-number] 0 / Growth Substances; 0 / Proto-Oncogene Proteins c-sis; 0 / Receptors, Estrogen; 0 / Receptors, Fibroblast Growth Factor; 0 / Receptors, Progesterone; 0 / Receptors, Steroid; 9035-54-5 / Placental Lactogen; EC 2.7.10.1 / FGFR2 protein, human; EC 2.7.10.1 / Receptor Protein-Tyrosine Kinases; EC 2.7.10.1 / Receptor, Epidermal Growth Factor; EC 2.7.10.1 / Receptor, Fibroblast Growth Factor, Type 2
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9. Kim EY, Kim ST, Kim HJ, Jeon P, Kim KH, Byun HS: Intraventricular meningiomas: radiological findings and clinical features in 12 patients. Clin Imaging; 2009 May-Jun;33(3):175-80
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  • RESULTS: There were five of benign, three of atypical, and four of malignant subtype.
  • Five (71%, 5/7) of the atypical and malignant IV meningiomas, but just two (40%, 2/5) benign IV meningiomas, had irregular lobulation.
  • In two cases of atypical and malignant subtypes, recurrences were found during the follow-up period after surgical resection.
  • CONCLUSION: More than half (n=7, 58%) of the IV meningiomas were of atypical (n=3) or malignant (n=4) subtype.
  • IV meningiomas tend to have a lobulated shape, especially irregular lobulation, and intratumoral necrosis was frequently seen in the atypical or malignant subtypes.
  • [MeSH-major] Magnetic Resonance Imaging / methods. Meningioma / diagnosis
  • [MeSH-minor] Adolescent. Adult. Aged. Female. Humans. Male. Middle Aged. Reproducibility of Results. Retrospective Studies. Sensitivity and Specificity. Young Adult

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  • (PMID = 19411021.001).
  • [ISSN] 1873-4499
  • [Journal-full-title] Clinical imaging
  • [ISO-abbreviation] Clin Imaging
  • [Language] eng
  • [Publication-type] Evaluation Studies; Journal Article
  • [Publication-country] United States
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10. Mattozo CA, De Salles AA, Klement IA, Gorgulho A, McArthur D, Ford JM, Agazaryan N, Kelly DF, Selch MT: Stereotactic radiation treatment for recurrent nonbenign meningiomas. J Neurosurg; 2007 May;106(5):846-54
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  • OBJECT: The authors analyzed the results of stereotactic radiosurgery (SRS) and stereotactic radiotherapy (SRT) for the treatment of recurrent meningiomas that were described at initial resection as showing aggressive, atypical, or malignant features (nonbenign).
  • All histological sections were reviewed and reclassified according to World Health Organization (WHO) 2000 guidelines as benign (Grade I), atypical (Grade II), or anaplastic (Grade III) meningiomas.
  • [MeSH-major] Meningeal Neoplasms / surgery. Meningioma / surgery. Neoplasm Recurrence, Local / surgery. Radiosurgery
  • [MeSH-minor] Adult. Aged. Cell Transformation, Neoplastic / pathology. Disease Progression. Female. Follow-Up Studies. Humans. Magnetic Resonance Imaging. Male. Middle Aged. Neoplasms, Multiple Primary / diagnosis. Neoplasms, Multiple Primary / pathology. Neoplasms, Multiple Primary / surgery. Reoperation

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  • (PMID = 17542529.001).
  • [ISSN] 0022-3085
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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11. Chatzidakis EM, Volikas Z, Condilis N, Lypiridis S, Fratzoglou M, Simopoulos K: Spinal cystic meningioma presenting as a ring enhancing lesion on MRI. Ann Ital Chir; 2008 May-Jun;79(3):197-8
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  • [Title] Spinal cystic meningioma presenting as a ring enhancing lesion on MRI.
  • We report a case of cystic spinal meningioma in a young man presenting as a ring enhancing lesion on Magnetic Resonance Imaging (MRI).
  • This case is unusual because of the atypical features of the tumour, the relatively young age and sex of the patient.
  • [MeSH-major] Cysts / diagnosis. Magnetic Resonance Imaging. Meningeal Neoplasms / diagnosis. Meningioma / diagnosis
  • [MeSH-minor] Adult. Humans. Male. Treatment Outcome

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  • (PMID = 18958968.001).
  • [ISSN] 0003-469X
  • [Journal-full-title] Annali italiani di chirurgia
  • [ISO-abbreviation] Ann Ital Chir
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Italy
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12. Lakshmi M, Glastonbury CM: Imaging of the cerebellopontine angle. Neuroimaging Clin N Am; 2009 Aug;19(3):393-406
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  • Advanced MR imaging techniques, such as magnetic resonance spectroscopy, are not usually needed routinely but may aid in the differential diagnosis when presented with atypical masses.
  • [MeSH-minor] Adult. Aged. Arachnoid Cysts / diagnosis. Arachnoid Cysts / pathology. Arachnoid Cysts / radiography. Brain Neoplasms / diagnosis. Brain Neoplasms / pathology. Brain Neoplasms / radiography. Cerebrovascular Trauma / diagnosis. Cerebrovascular Trauma / pathology. Cerebrovascular Trauma / radiography. Diagnosis, Differential. Epidermal Cyst / diagnosis. Epidermal Cyst / pathology. Epidermal Cyst / radiography. Female. Humans. Lipoma / diagnosis. Lipoma / pathology. Lipoma / radiography. Magnetic Resonance Imaging / methods. Meningioma / diagnosis. Meningioma / pathology. Meningioma / radiography. Middle Aged. Neoplasm Metastasis / diagnosis. Neoplasm Metastasis / pathology. Neoplasm Metastasis / radiography. Neurilemmoma / diagnosis. Neurilemmoma / pathology. Neurilemmoma / radiography. Tomography, X-Ray Computed / methods. Tuberculosis, Central Nervous System / diagnosis. Tuberculosis, Central Nervous System / pathology. Tuberculosis, Central Nervous System / radiography

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  • (PMID = 19733314.001).
  • [ISSN] 1557-9867
  • [Journal-full-title] Neuroimaging clinics of North America
  • [ISO-abbreviation] Neuroimaging Clin. N. Am.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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13. Demir MK, Iplikcioglu AC, Dincer A, Arslan M, Sav A: Single voxel proton MR spectroscopy findings of typical and atypical intracranial meningiomas. Eur J Radiol; 2006 Oct;60(1):48-55
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  • [Title] Single voxel proton MR spectroscopy findings of typical and atypical intracranial meningiomas.
  • PURPOSE: To prospectively define proton magnetic resonance spectroscopy (MRS) findings of meningiomas, and describe the ability or inability of short- and long-echo MRS to differentiate typical and atypical meningiomas in vivo.
  • MATERIAL AND METHODS: Seventeen patients with pathologically confirmed typical meningiomas and six with atypical meningiomas were evaluated with conventional MR imaging and MRS before resection.
  • The mean Cho/Cr values in the four atypical meningiomas were 4.44+/-0.30 (mean+/-standard deviation) and 3.39+/-0.52 in the 12 typical meningiomas on short TE spectra.
  • Of the five meningiomas in which a lactate peak was detected, four were in typical cases and only one was in atypical meningioma.
  • Mean MIB-1 proliferation index was 3.7% in typical meningiomas and 10% in atypical meningiomas.
  • CONCLUSION: Prominent Cho, absence or low amount of NAA and Cr, and presence of Ala were common characteristics of spectral pattern of both atypical and typical meningiomas on MRS.
  • MRS cannot reliably differentiate typical intracranial meningiomas from atypical meningiomas preoperatively.
  • [MeSH-major] Brain Chemistry. Brain Neoplasms / diagnosis. Meningeal Neoplasms / chemistry. Meningeal Neoplasms / diagnosis. Meningioma / chemistry. Meningioma / diagnosis
  • [MeSH-minor] Adult. Aged. Diagnosis, Computer-Assisted / methods. Female. Humans. Magnetic Resonance Spectroscopy / methods. Male. Middle Aged. Protons. Reproducibility of Results. Sensitivity and Specificity

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  • (PMID = 16844335.001).
  • [ISSN] 0720-048X
  • [Journal-full-title] European journal of radiology
  • [ISO-abbreviation] Eur J Radiol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Ireland
  • [Chemical-registry-number] 0 / Protons
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14. Kawahara I, Masui K, Horie N, Matsuo T, Kitagawa N, Tsutsumi K, Nagata I, Morikawa M, Hayashi T: Radiation-induced meningioma following prophylactic radiotherapy for acute lymphoblastic leukemia in childhood. Pediatr Neurosurg; 2007;43(1):36-41
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  • [Title] Radiation-induced meningioma following prophylactic radiotherapy for acute lymphoblastic leukemia in childhood.
  • The tumor was completely removed surgically and pathohistologically diagnosed as atypical meningioma.
  • CONCLUSION: Long-term survivors who received radiotherapy for ALL in childhood are at risk for late complications, including radiation-induced meningioma.
  • [MeSH-major] Meningeal Neoplasms / diagnosis. Meningeal Neoplasms / etiology. Meningioma / diagnosis. Meningioma / etiology. Neoplasms, Radiation-Induced / diagnosis. Precursor Cell Lymphoblastic Leukemia-Lymphoma / radiotherapy
  • [MeSH-minor] Adult. Child, Preschool. Humans. Male. Radiotherapy / adverse effects. Time Factors


15. Lanotte M, Perez R, Boccaletti R, Castellano I, Cassoni P, Ducati A: Atypical growth pattern of a meningioma in an adult. Neurol Med Chir (Tokyo); 2007 Aug;47(8):360-3
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  • [Title] Atypical growth pattern of a meningioma in an adult.
  • A 49-year-old woman presented with a rare atypical growth pattern of meningioma without evidence of dural attachment manifesting as chronic headache associated with transient paresthesia and left motor disorders.
  • Histological examination indicated that the lesion was a meningioma.
  • [MeSH-major] Arachnoid / pathology. Meningeal Neoplasms / pathology. Meningioma / pathology. Pia Mater / pathology. Telencephalon / pathology

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  • (PMID = 17721052.001).
  • [ISSN] 0470-8105
  • [Journal-full-title] Neurologia medico-chirurgica
  • [ISO-abbreviation] Neurol. Med. Chir. (Tokyo)
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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21. Garcia-Conde M, Roldan-Delgado H, Martel-Barth-Hansen D, Manzano-Sanz C: Anaplastic transformation of an atypical intraventricular meningioma with metastases to the liver: case report. Neurocirugia (Astur); 2009 Dec;20(6):541-9
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  • [Title] Anaplastic transformation of an atypical intraventricular meningioma with metastases to the liver: case report.
  • We present herein the first case of a malignant intraventricular meningioma with extraneural metastases.
  • Histological examination demonstrated an atypical meningioma.
  • Histological examination showed anaplastic meningioma.
  • Biopsy was consistent with liver metastases of a malignant meningioma.
  • Therefore, when systemic deterioration occurs in a patient with a malignant intraventricular meningioma, metastases to extraneural organs such as the liver must be ruled out.
  • [MeSH-major] Anaplasia / pathology. Liver Neoplasms / secondary. Meningeal Neoplasms / pathology. Meningioma / pathology
  • [MeSH-minor] Adult. Fatal Outcome. Humans. Magnetic Resonance Imaging / methods. Male. Tomography, X-Ray Computed / methods

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  • (PMID = 19967319.001).
  • [ISSN] 1130-1473
  • [Journal-full-title] Neurocirugía (Asturias, Spain)
  • [ISO-abbreviation] Neurocirugia (Astur)
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Spain
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22. Perry A, Fuller CE, Judkins AR, Dehner LP, Biegel JA: INI1 expression is retained in composite rhabdoid tumors, including rhabdoid meningiomas. Mod Pathol; 2005 Jul;18(7):951-8
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  • Rhabdoid cells are encountered in specific entities, such as malignant rhabdoid tumor and atypical teratoid/rhabdoid tumor, as well as in composite rhabdoid tumors derived secondarily from other tumor types.
  • The majority of malignant rhabdoid tumors and atypical teratoid/rhabdoid tumors affect infants and young children, harbor chromosome 22q deletions, and inactivate the INI1/hSNF5/BAF47 tumor suppressor gene on 22q11.2.
  • However, this assay remains limited since 22q dosages are maintained in 20-30% of malignant rhabdoid tumors and atypical teratoid/rhabdoid tumors.
  • The recently developed INI1 antibody shows loss of nuclear expression in malignant rhabdoid tumors and atypical teratoid/rhabdoid tumors, though its status in composite rhabdoid tumors is largely unknown.
  • Therefore, we conclude that INI1 immunohistochemistry is a relatively simple, sensitive, and specific technique for distinguishing malignant rhabdoid tumor and atypical teratoid/rhabdoid tumor from composite rhabdoid tumor.
  • [MeSH-major] DNA-Binding Proteins / biosynthesis. Meningeal Neoplasms / pathology. Meningioma / pathology. Rhabdoid Tumor / pathology
  • [MeSH-minor] Adult. Aged. Child. Chromosomal Proteins, Non-Histone. Chromosome Deletion. Chromosomes, Human, Pair 22 / genetics. Female. Gene Expression Regulation, Neoplastic. Humans. Immunohistochemistry. In Situ Hybridization, Fluorescence. Infant. Male. Middle Aged. Transcription Factors

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  • (PMID = 15761491.001).
  • [ISSN] 0893-3952
  • [Journal-full-title] Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc
  • [ISO-abbreviation] Mod. Pathol.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / CA46274
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, P.H.S.
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Chromosomal Proteins, Non-Histone; 0 / DNA-Binding Proteins; 0 / SMARCB1 protein, human; 0 / Transcription Factors
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23. Koot RW, Stalpers LJ, Aronica E, Andries Bosch D: Cerebral necrosis after 25Gy radiotherapy in childhood followed 28 years later by 54Gy radiotherapy. Clin Neurol Neurosurg; 2007 Sep;109(7):607-12
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  • We report on a 34-year-old patient who had prophylactic cranial irradiation with 25Gy and adjuvant chemotherapy in childhood for leukaemia and in adulthood, 28 years later, therapeutic radiotherapy with 54Gy for an atypical (WHO grade II) meningioma.
  • [MeSH-major] Cranial Irradiation / adverse effects. Meningeal Neoplasms / radiotherapy. Meningioma / radiotherapy. Neoplasms, Multiple Primary / radiotherapy. Neoplasms, Radiation-Induced / radiotherapy. Precursor Cell Lymphoblastic Leukemia-Lymphoma / radiotherapy. Radiation Injuries / diagnosis. Temporal Lobe / radiation effects
  • [MeSH-minor] Adult. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Child, Preschool. Combined Modality Therapy. Diagnosis, Differential. Follow-Up Studies. Gliosis / pathology. Humans. Image Processing, Computer-Assisted. Magnetic Resonance Imaging. Male. Necrosis. Radiotherapy, Adjuvant. Retreatment. Thallium Radioisotopes. Tomography, Emission-Computed, Single-Photon. Tomography, X-Ray Computed

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  • (PMID = 17555870.001).
  • [ISSN] 0303-8467
  • [Journal-full-title] Clinical neurology and neurosurgery
  • [ISO-abbreviation] Clin Neurol Neurosurg
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Netherlands
  • [Chemical-registry-number] 0 / Thallium Radioisotopes
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24. Bassiouni H, Asgari S, König HJ, Stolke D: Meningiomas of the falcotentorial junction: selection of the surgical approach according to the tumor type. Surg Neurol; 2008 Apr;69(4):339-49; discussion 349
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  • BACKGROUND: We retrospectively analyzed a series of patients harboring a FT meningioma with regard to clinical presentation, surgical technique, and follow-up results.
  • METHODS: Clinical data in a consecutive series of 13 patients treated for a meningioma of the FT junction were retrospectively reviewed.
  • The main surgical approach to the meningioma was via an occipital interhemispheric route (10 patients).
  • One tumor recurrence in an atypical meningioma was observed after the mean follow-up period of 6.2 years (range, 1-14 years) with clinical and MRI examination and had to be reoperated.
  • [MeSH-major] Craniotomy. Meningeal Neoplasms / pathology. Meningeal Neoplasms / surgery. Meningioma / pathology. Meningioma / surgery. Microsurgery
  • [MeSH-minor] Adult. Aged. Cohort Studies. Female. Humans. Male. Middle Aged. Occipital Bone. Retrospective Studies. Treatment Outcome

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  • (PMID = 17707469.001).
  • [ISSN] 0090-3019
  • [Journal-full-title] Surgical neurology
  • [ISO-abbreviation] Surg Neurol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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25. Pavlisa G, Rados M, Pazanin L, Padovan RS, Ozretic D, Pavlisa G: Characteristics of typical and atypical meningiomas on ADC maps with respect to schwannomas. Clin Imaging; 2008 Jan-Feb;32(1):22-7
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  • [Title] Characteristics of typical and atypical meningiomas on ADC maps with respect to schwannomas.
  • The differences in apparent diffusion coefficient (ADC) between typical and atypical meningiomas and schwannomas were investigated, with 41 patients included in the study.
  • There were no significant differences in ADC values or ADC ratios between typical and atypical meningiomas.
  • The discrimination between schwannomas and the typical and atypical meningiomas on ADC maps was reliable, with significant differences in ADC values and ratios and with the narrow range of ADC values in meningiomas.
  • [MeSH-major] Brain Neoplasms / diagnosis. Diffusion Magnetic Resonance Imaging. Meningeal Neoplasms / diagnosis. Meningioma / diagnosis. Neurilemmoma / diagnosis
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Contrast Media. Diagnosis, Differential. Female. Gadolinium DTPA. Humans. Male. Middle Aged. Prevalence. Prospective Studies

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  • (PMID = 18164390.001).
  • [ISSN] 0899-7071
  • [Journal-full-title] Clinical imaging
  • [ISO-abbreviation] Clin Imaging
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Contrast Media; K2I13DR72L / Gadolinium DTPA
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26. Monleón D, Morales JM, Gonzalez-Darder J, Talamantes F, Cortés O, Gil-Benso R, López-Ginés C, Cerdá-Nicolás M, Celda B: Benign and atypical meningioma metabolic signatures by high-resolution magic-angle spinning molecular profiling. J Proteome Res; 2008 Jul;7(7):2882-8
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  • [Title] Benign and atypical meningioma metabolic signatures by high-resolution magic-angle spinning molecular profiling.
  • The WHO classifies meningiomas into three histological grades: benign, atypical, and anaplasic in accordance with the clinical prognosis.
  • Atypical and anaplasic meningiomas tend to recur.
  • Sometimes, meningiomas with histological diagnosis of benign meningioma show clinical characteristics of atypical meningioma.
  • In this work, we show differences between benign and atypical meningiomas in HR-MAS molecular profiles of meningioma biopsies.
  • Metabolic differences between meningioma grades include changes in the levels of glutathione.
  • Glutamine and glutamate, which are related to glutathione metabolism and have been associated with tumor recurrence, are also increased in atypical meningiomas.
  • Other metabolites associated with tumor malignancy that show statistically significant differences between benign and atypical meningiomas include phosphocholine and phosphoethanolamine.
  • [MeSH-major] Meningeal Neoplasms / metabolism. Meningioma / metabolism
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / metabolism. Female. Gene Expression Profiling. Humans. Magnetic Resonance Spectroscopy. Male. Middle Aged. Principal Component Analysis

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  • (PMID = 18507434.001).
  • [ISSN] 1535-3893
  • [Journal-full-title] Journal of proteome research
  • [ISO-abbreviation] J. Proteome Res.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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27. Skeie BS, Enger PO, Skeie GO, Thorsen F, Pedersen PH: Gamma knife surgery of meningiomas involving the cavernous sinus: long-term follow-up of 100 patients. Neurosurgery; 2010 Apr;66(4):661-8; discussion 668-9
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  • Excluding atypical meningiomas, the growth control rate was 90.4%.
  • [MeSH-major] Cavernous Sinus / surgery. Meningeal Neoplasms / surgery. Meningioma / surgery. Radiosurgery / methods
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Female. Humans. Longitudinal Studies. Male. Middle Aged. Retrospective Studies. Time Factors. Treatment Outcome. Young Adult

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  • (PMID = 20305491.001).
  • [ISSN] 1524-4040
  • [Journal-full-title] Neurosurgery
  • [ISO-abbreviation] Neurosurgery
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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28. Santelli L, Ramondo G, Della Puppa A, Ermani M, Scienza R, d'Avella D, Manara R: Diffusion-weighted imaging does not predict histological grading in meningiomas. Acta Neurochir (Wien); 2010 Aug;152(8):1315-9; discussion 1319
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  • PURPOSE: This study aims to verify the reliability of diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) measurements to differentiate benign from atypical/malignant meningiomas and among different sub-types.
  • METHODS: Pre-operative DWI of 102 patients (74 females, mean age 58 years, age range 34-85 years) affected by a pathologically proven intracranial meningioma were retrospectively reviewed.
  • ADC values and normalised ADC(ratio) (ADC(meningioma)/ADC(normal appearing white matter)) of the neoplastic tissue (avoiding calcifications and cystic or necrotic areas) were measured by two neuroradiologists unaware of each others' reading.
  • RESULTS: Meningiomas were histologically graded as malignant (1%), atypical (21.5%) and benign (77.5%).
  • There was no statistical difference between typical and atypical/malignant meningiomas when considering mean ADC values (0.964 +/- 0.192 x 10(-3) vs 0.923 +/- 0.085 x 10(-3) cm(2)/s, p = 0.3 t-Student) or ADC(ratio) (1.266 +/- 0.290 vs 1.185 +/- 0.115, p = 0.2 t-Student).
  • ADC values or ADC(ratio) did not differ significantly among meningioma sub-types although a nearly significant difference was found between meningothelial and transitional (post hoc analysis p = 0.06).
  • DWI intensity did not reach a significant correlation with meningioma's grading (p = 0.08).
  • [MeSH-major] Diffusion Magnetic Resonance Imaging / methods. Meningeal Neoplasms / pathology. Meningioma / pathology. Neoplasm Invasiveness / pathology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Brain / pathology. Diagnosis, Differential. Female. Humans. Male. Meninges / pathology. Middle Aged. Observer Variation. Predictive Value of Tests. Prognosis. Reproducibility of Results. Severity of Illness Index

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  • (PMID = 20428902.001).
  • [ISSN] 0942-0940
  • [Journal-full-title] Acta neurochirurgica
  • [ISO-abbreviation] Acta Neurochir (Wien)
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Austria
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29. Milea D, Laforet P, Eymard B: [Atypical ocular myasthenia gravis]. Rev Neurol (Paris); 2005 May;161(5):543-8
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  • [Title] [Atypical ocular myasthenia gravis].
  • We review the atypical presentations and differential diagnoses in ocular myasthenia gravis, describing four patients with some of these conditions (4th nerve palsy, near spasm reflex, one-and-a-half syndrome, orbital meningioma).
  • [MeSH-minor] Adult. Diagnosis, Differential. Diplopia / diagnosis. Diplopia / etiology. Female. Humans. Magnetic Resonance Imaging. Male. Meningioma / complications. Meningioma / diagnosis. Middle Aged. Neurologic Examination. Oculomotor Nerve Diseases / diagnosis. Oculomotor Nerve Diseases / physiopathology. Orbital Neoplasms / complications. Orbital Neoplasms / diagnosis. Trochlear Nerve Diseases / diagnosis

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  • (PMID = 16106805.001).
  • [ISSN] 0035-3787
  • [Journal-full-title] Revue neurologique
  • [ISO-abbreviation] Rev. Neurol. (Paris)
  • [Language] fre
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] France
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30. McGovern SL, Aldape KD, Munsell MF, Mahajan A, DeMonte F, Woo SY: A comparison of World Health Organization tumor grades at recurrence in patients with non-skull base and skull base meningiomas. J Neurosurg; 2010 May;112(5):925-33
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  • The goal of this study was to identify clinical characteristics associated with the recurrence of benign meningiomas and their acceleration to atypical and malignant histological types.
  • METHODS: Records of 216 patients with WHO Grade I, II, or III meningioma that were initially treated between 1965 and 2001 were retrospectively reviewed.
  • [MeSH-major] Brain Neoplasms / pathology. Meningioma / pathology. Neoplasm Recurrence, Local. Skull Base Neoplasms / pathology. World Health Organization
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Disease Progression. Female. Humans. Male. Middle Aged. Neoplasm Staging. Neurosurgical Procedures. Retrospective Studies

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  • (PMID = 19799498.001).
  • [ISSN] 1933-0693
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
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31. Bollag RJ, Vender JR, Sharma S: Anaplastic meningioma: progression from atypical and chordoid morphotype with morphologic spectral variation at recurrence. Neuropathology; 2010 Jun;30(3):279-87
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  • [Title] Anaplastic meningioma: progression from atypical and chordoid morphotype with morphologic spectral variation at recurrence.
  • Recent literature evokes two pathways to disease progression in meningiomas akin to a comparable paradigm in gliomas, but without similar prognostic connotation: de novo anaplastic meningioma (better prognosis), and transformed meningioma (worse prognosis).
  • We present two adult cases of transformed meningiomas that display a spectrum of morphologic progression.
  • Case 1 at presentation showed a random admixture of meningothelial, atypical and anaplastic meningioma.
  • The tumor recurred as anaplastic meningioma.
  • Case 2 presented as a chordoid meningioma, but recurred as anaplastic meningioma mainly at the invasive front in transition with residual chordoid pattern.
  • In accordance with the dire prognosis for anaplastic meningioma, both patients succumbed to their disease within 2 months of recurrence.
  • The present study highlights two main points: First, that proper recognition of focal high-grade areas in a heterogeneous low-grade meningioma (case 1) provides critical morphologic clues to spatial histologic progression and predicts aggressive biologic behavior, as evidenced by progression to frankly anaplastic meningioma at recurrence.
  • Second, the presence of papillary in addition to anaplastic areas, in the recurrence of a previously diagnosed chordoid meningioma supports the ostensibly heightened transforming potential of grade II meningiomas, but also reflects on the morphologic heterogeneity of high-grade meningiomas, and their potentially diverse pathways of progression.
  • Future molecular genetic correlates, akin to those characterized in gliomas, could help stratify prognostic subcategories to refine meningioma grading, and govern optimal therapeutic strategies.
  • [MeSH-major] Choroid Plexus Neoplasms / diagnosis. Choroid Plexus Neoplasms / pathology. Meningeal Neoplasms / diagnosis. Meningeal Neoplasms / pathology. Meningioma / diagnosis. Meningioma / pathology. Neoplasm Recurrence, Local / diagnosis. Neoplasm Recurrence, Local / pathology

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  • (PMID = 19780983.001).
  • [ISSN] 1440-1789
  • [Journal-full-title] Neuropathology : official journal of the Japanese Society of Neuropathology
  • [ISO-abbreviation] Neuropathology
  • [Language] eng
  • [Publication-type] Case Reports; Comparative Study; Journal Article
  • [Publication-country] Australia
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32. Carvalho LH, Smirnov I, Baia GS, Modrusan Z, Smith JS, Jun P, Costello JF, McDermott MW, Vandenberg SR, Lal A: Molecular signatures define two main classes of meningiomas. Mol Cancer; 2007;6:64
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  • BACKGROUND: Meningiomas are common brain tumors that are classified into three World Health Organization grades (benign, atypical and malignant) and are molecularly ill-defined tumors.
  • The purpose of this study was identify molecular signatures unique to the different grades of meningiomas and to unravel underlying molecular mechanisms driving meningioma tumorigenesis.
  • While all benign meningiomas fall into the low-proliferative group and all malignant meningiomas fall into the high-proliferative group, atypical meningiomas distribute into either one of these groups.
  • High-proliferative atypical meningiomas had an elevated median MIB-1 labeling index and a greater frequency of copy number aberrations (CNAs) compared to low-proliferative atypical meningiomas.
  • CONCLUSION: Collectively, our data suggests that atypical meningiomas are not a molecularly distinct group but are similar to either benign or malignant meningiomas.
  • [MeSH-major] Chromosome Aberrations. Meningeal Neoplasms / classification. Meningeal Neoplasms / genetics. Meningioma / classification. Meningioma / genetics. Nucleic Acid Hybridization / methods
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Chromosome Deletion. Female. Gene Expression Profiling / methods. Gene Expression Regulation, Neoplastic. Humans. Male. Middle Aged

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  • (PMID = 17937814.001).
  • [ISSN] 1476-4598
  • [Journal-full-title] Molecular cancer
  • [ISO-abbreviation] Mol. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC2173907
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33. Gabeau-Lacet D, Aghi M, Betensky RA, Barker FG, Loeffler JS, Louis DN: Bone involvement predicts poor outcome in atypical meningioma. J Neurosurg; 2009 Sep;111(3):464-71
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  • [Title] Bone involvement predicts poor outcome in atypical meningioma.
  • OBJECT: The authors identified clinical features associated with progression and death in atypical meningioma (AM).

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  • (PMID = 19267533.001).
  • [ISSN] 0022-3085
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / CA009216-28; United States / NCI NIH HHS / CA / T32 CA009216; United States / NCI NIH HHS / CA / T32 CA009216-28; United States / NCI NIH HHS / CA / T32CA09216
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] United States
  • [Other-IDs] NLM/ NIHMS187104; NLM/ PMC2845926
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34. Katz TS, Amdur RJ, Yachnis AT, Mendenhall WM, Morris CG: Pushing the limits of radiotherapy for atypical and malignant meningioma. Am J Clin Oncol; 2005 Feb;28(1):70-4
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  • [Title] Pushing the limits of radiotherapy for atypical and malignant meningioma.
  • PURPOSE: The purpose of this study was to report the outcome of an extremely aggressive radiotherapy program in patients with atypical and malignant meningioma (60 Gy at 1.5 Gy per fraction twice daily +/- radiosurgery boost).
  • METHODS AND MATERIALS: Thirty-six patients received radiotherapy with curative intent between 1984 and 1999 for atypical (27 patients) or malignant (9 patients) meningioma.
  • CONCLUSION: Our data suggests that 50 to 60 Gy delivered with conventional, once-daily fractionation is probably the optimal schedule for atypical and malignant meningioma.
  • [MeSH-major] Meningeal Neoplasms / radiotherapy. Meningioma / radiotherapy
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Dose Fractionation. Female. Humans. Male. Middle Aged. Radiosurgery. Survival Rate

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  • (PMID = 15685038.001).
  • [ISSN] 1537-453X
  • [Journal-full-title] American journal of clinical oncology
  • [ISO-abbreviation] Am. J. Clin. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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35. Friedman WA, Murad GJ, Bradshaw P, Amdur RJ, Mendenhall WM, Foote KD, Bova FJ: Linear accelerator surgery for meningiomas. J Neurosurg; 2005 Aug;103(2):206-9
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  • The actuarial local control rate for atypical tumors was 100% at 1 year, 92% at 2 years, and 77% at 5 years; and that for malignant tumors was 100% at both 1 and 2 years, and only 19% at 5 years.
  • In all patients with a permanent complication the histological characteristics of the meningioma were malignant.
  • [MeSH-major] Meningeal Neoplasms / surgery. Meningioma / surgery
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Female. Humans. Male. Middle Aged. Particle Accelerators. Retrospective Studies. Survival Analysis. Treatment Outcome

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  • [CommentIn] J Neurosurg. 2005 Aug;103(2):203-5; discussion 205 [16175846.001]
  • (PMID = 16175847.001).
  • [ISSN] 0022-3085
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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36. Buhl R, Nabavi A, Wolff S, Hugo HH, Alfke K, Jansen O, Mehdorn HM: MR spectroscopy in patients with intracranial meningiomas. Neurol Res; 2007 Jan;29(1):43-6
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  • With magnetic resonance imaging (MRI) and magnetic resonance spectroscopy (MRS), we tried to get more pre-operative information in patients with suspicious meningioma concerning the histologic diagnosis especially regarding WHO Grades I and II meningiomas.
  • Within a 2 year period, 39 patients with an intracranial meningioma were studied with MRS.
  • In 62.5% of histologic atypical meningiomas (WHO Grade II), a lactate peak could be demonstrated in the pre-operative MRS.
  • [MeSH-major] Magnetic Resonance Spectroscopy / methods. Meningeal Neoplasms / diagnosis. Meninges / pathology. Meningioma / diagnosis
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / analysis. Biomarkers, Tumor / metabolism. Diagnosis, Differential. Female. Humans. Lactic Acid / analysis. Lactic Acid / metabolism. Magnetic Resonance Imaging / methods. Male. Middle Aged. Neoplasm Invasiveness / diagnosis. Neoplasm Recurrence, Local / diagnosis. Predictive Value of Tests. Tomography, X-Ray Computed

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  • (PMID = 17427274.001).
  • [ISSN] 0161-6412
  • [Journal-full-title] Neurological research
  • [ISO-abbreviation] Neurol. Res.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 33X04XA5AT / Lactic Acid
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37. Marton E, Bonaldi L, Busato S, Longatti P: Atypical meningioma in Werner syndrome: a case report. J Neurooncol; 2006 Sep;79(2):181-5
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  • [Title] Atypical meningioma in Werner syndrome: a case report.
  • INTRODUCTION: Werner Syndrome, or adult progeria, is a rare autosomal recessive disorder caused by a mutation in the Werner Syndrome Gene belonging to the family of RecQ helicase.
  • CLINICAL PRESENTATION: We present the case of a 46-year-old man with Werner Syndrome and a convexity meningioma.
  • Histological examination revealed an atypical meningioma.
  • CONCLUSION: 1p deletion correlates with meningioma progression and in this case correlates with histological examination.
  • [MeSH-major] Brain Neoplasms / complications. Chromosomes, Human, Pair 22 / genetics. Meningioma / complications. Monosomy / diagnosis. Werner Syndrome / complications

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  • (PMID = 16598422.001).
  • [ISSN] 0167-594X
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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38. Norden AD, Raizer JJ, Abrey LE, Lamborn KR, Lassman AB, Chang SM, Yung WK, Gilbert MR, Fine HA, Mehta M, Deangelis LM, Cloughesy TF, Robins HI, Aldape K, Dancey J, Prados MD, Lieberman F, Wen PY: Phase II trials of erlotinib or gefitinib in patients with recurrent meningioma. J Neurooncol; 2010 Jan;96(2):211-7
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  • [Title] Phase II trials of erlotinib or gefitinib in patients with recurrent meningioma.
  • There are no established treatments for recurrent meningioma when surgical and radiation options are exhausted.
  • In open label, single arm phase II studies of the EGFR inhibitors gefitinib (NABTC 00-01) and erlotinib (NABTC 01-03) for recurrent malignant gliomas, we included exploratory subsets of recurrent meningioma patients.
  • Eight patients (32%) had benign tumors, 9 (36%) atypical, and 8 (32%) malignant.
  • For atypical and malignant tumors, PFS6 was 29%, PFS12 18%, OS6 71%, and OS12 65%.
  • Although treatment was well-tolerated, neither gefitinib nor erlotinib appear to have significant activity against recurrent meningioma.

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  • (PMID = 19562255.001).
  • [ISSN] 1573-7373
  • [Journal-full-title] Journal of neuro-oncology
  • [ISO-abbreviation] J. Neurooncol.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / U01 CA062407; United States / NCRR NIH HHS / RR / M01 RR000079; United States / NCATS NIH HHS / TR / UL1 TR000005; United States / NCI NIH HHS / CA / U01 CA062421-06; United States / NCI NIH HHS / CA / P30 CA016672; United States / NCRR NIH HHS / RR / M01-RR0865; United States / NCI NIH HHS / CA / U01 CA62399; United States / NCRR NIH HHS / RR / M01 RR003186; United States / NCRR NIH HHS / RR / M01 RR000056; United States / NCRR NIH HHS / RR / M01-RR00079; United States / NCI NIH HHS / CA / U01CA62407-08; United States / NCI NIH HHS / CA / CA16672; United States / NCRR NIH HHS / RR / M01 RR000865; United States / NCI NIH HHS / CA / 5-U01CA62399-09; United States / NCI NIH HHS / CA / CA062421-06; United States / NCI NIH HHS / CA / U01 CA062399; United States / NCRR NIH HHS / RR / M01-RR00056; United States / NCI NIH HHS / CA / U01 CA062405; United States / NCI NIH HHS / CA / U01 CA062412; United States / NCI NIH HHS / CA / U01CA62421-08; United States / NCI NIH HHS / CA / CA62422; United States / NCI NIH HHS / CA / U01 CA062421; United States / NCI NIH HHS / CA / U01CA62405; United States / NCRR NIH HHS / RR / M01 RR03186; United States / NCI NIH HHS / CA / U01 CA062422; United States / NCI NIH HHS / CA / CA62399; United States / NCI NIH HHS / CA / CA62412
  • [Publication-type] Clinical Trial, Phase II; Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Protein Kinase Inhibitors; 0 / Quinazolines; DA87705X9K / Erlotinib Hydrochloride; S65743JHBS / gefitinib
  • [Other-IDs] NLM/ NIHMS511532; NLM/ PMC3786190
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39. Aghi MK, Carter BS, Cosgrove GR, Ojemann RG, Amin-Hanjani S, Martuza RL, Curry WT Jr, Barker FG 2nd: Long-term recurrence rates of atypical meningiomas after gross total resection with or without postoperative adjuvant radiation. Neurosurgery; 2009 Jan;64(1):56-60; discussion 60
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  • [Title] Long-term recurrence rates of atypical meningiomas after gross total resection with or without postoperative adjuvant radiation.
  • OBJECTIVE: Atypical meningioma (AM) patients often undergo gross total resection (GTR) at the time of presentation, but subsequent prognosis and optimal management remain unclear.
  • Multivariate analysis including age, sex, postoperative radiation, tumor location, MIB-1 labeling index, and 6 atypical-defining histological features identified recurrence-predicting factors: older age (hazard ratio, 1.6/decade; P = 0.01), sheeting (hazard ratio, 2.2; P = 0.025), and prominent nucleoli (hazard ratio, 2.1; P = 0.034).
  • [MeSH-major] Meningeal Neoplasms / pathology. Meningeal Neoplasms / therapy. Meningioma / pathology. Meningioma / therapy. Neoplasm Recurrence, Local / epidemiology
  • [MeSH-minor] Adult. Age Factors. Aged. Aged, 80 and over. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Combined Modality Therapy. Female. Humans. Kaplan-Meier Estimate. Male. Middle Aged. Postoperative Period. Prognosis. Radiotherapy, Adjuvant. Retrospective Studies

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  • (PMID = 19145156.001).
  • [ISSN] 1524-4040
  • [Journal-full-title] Neurosurgery
  • [ISO-abbreviation] Neurosurgery
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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40. Hakyemez B, Yildirim N, Gokalp G, Erdogan C, Parlak M: The contribution of diffusion-weighted MR imaging to distinguishing typical from atypical meningiomas. Neuroradiology; 2006 Aug;48(8):513-20
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  • [Title] The contribution of diffusion-weighted MR imaging to distinguishing typical from atypical meningiomas.
  • INTRODUCTION: Atypical/malignant meningiomas recur more frequently then typical meningiomas.
  • In this study, the contribution of diffusion-weighted MR imaging to the differentiation of atypical/malignant and typical meningiomas and to the determination of histological subtypes of typical meningiomas was investigated.
  • RESULTS: Mean ADC values in atypical/malignant and typical meningiomas were 0.75+/-0.21 and 1.17+/-0.21, respectively.
  • ADC values of typical meningiomas and atypical/malignant meningiomas significantly differed (P<0.001).
  • Furthermore, the difference between the subtypes of typical meningiomas and atypical/malignant meningiomas was significant (P<0.001).
  • CONCLUSION: Diffusion-weighted MR imaging findings of atypical/malignant meningiomas and typical meningiomas differ.
  • Atypical/malignant meningiomas have lower intratumoral ADC values than typical meningiomas.
  • Mean ADC values for peritumoral edema do not differ between typical and atypical meningiomas.
  • [MeSH-major] Brain Neoplasms / diagnosis. Diffusion Magnetic Resonance Imaging. Meningeal Neoplasms / diagnosis. Meningioma / diagnosis
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Child. Child, Preschool. Diagnosis, Differential. Female. Humans. Male. Middle Aged. Prospective Studies

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  • (PMID = 16786348.001).
  • [ISSN] 0028-3940
  • [Journal-full-title] Neuroradiology
  • [ISO-abbreviation] Neuroradiology
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Germany
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41. Simon M, Boström J, Koch P, Schramm J: Interinstitutional variance of postoperative radiotherapy and follow up for meningiomas in Germany: impact of changes of the WHO classification. J Neurol Neurosurg Psychiatry; 2006 Jun;77(6):767-73
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  • RESULTS: Use of the current criteria downgraded seven of 15 atypical meningiomas (WHO grade II, MII) to grade I (MI), and four of six anaplastic tumours (WHO grade III, MIII) to grade II.
  • The relatively large number of meningiomas classified as atypical/WHO grade II in current practice would argue against an uncritically aggressive approach to these tumours.
  • [MeSH-major] Meningeal Neoplasms / pathology. Meningioma / pathology. Neoplasm Staging / methods. Practice Patterns, Physicians' / statistics & numerical data
  • [MeSH-minor] Adult. Aged. Combined Modality Therapy. Female. Germany. Humans. Magnetic Resonance Imaging. Male. Middle Aged. Prognosis. Radiotherapy, Adjuvant. Retrospective Studies. Treatment Outcome. World Health Organization

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  • (PMID = 16306156.001).
  • [ISSN] 1468-330X
  • [Journal-full-title] Journal of neurology, neurosurgery, and psychiatry
  • [ISO-abbreviation] J. Neurol. Neurosurg. Psychiatry
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC2077452
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42. Benesch M, Siegler N, Hoff Kv, Lassay L, Kropshofer G, Müller H, Sommer C, Rutkowski S, Fleischhack G, Urban C: Safety and toxicity of intrathecal liposomal cytarabine (Depocyte) in children and adolescents with recurrent or refractory brain tumors: a multi-institutional retrospective study. Anticancer Drugs; 2009 Oct;20(9):794-9
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  • Nineteen heavily pretreated patients (males, n = 14; females, n = 5; median age at diagnosis 8.5 years; range, 1.4-22 years) were given intrathecal liposomal cytarabine on a compassionate use basis for recurrent refractory medulloblastoma (n = 12), mixed germ cell tumor (n = 2), central nervous system primitive neuroectodermal tumors of the pons (n = 1), anaplastic ependymoma (n = 1), anaplastic oligodendroglioma (n = 1), atypical teratoid rhabdoid tumor (n = 1), or rhabdoid papillary meningioma (n = 1).
  • [MeSH-minor] Adolescent. Child. Child, Preschool. Compassionate Use Trials. Delayed-Action Preparations. Drug Resistance, Neoplasm. Female. Humans. Infant. Injections, Spinal. Liposomes / administration & dosage. Male. Retrospective Studies. Salvage Therapy. Young Adult

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  • (PMID = 19617818.001).
  • [ISSN] 1473-5741
  • [Journal-full-title] Anti-cancer drugs
  • [ISO-abbreviation] Anticancer Drugs
  • [Language] eng
  • [Publication-type] Clinical Trial; Journal Article; Multicenter Study
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Antimetabolites, Antineoplastic; 0 / Delayed-Action Preparations; 0 / Liposomes; 04079A1RDZ / Cytarabine
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43. Bartolomei M, Bodei L, De Cicco C, Grana CM, Cremonesi M, Botteri E, Baio SM, Aricò D, Sansovini M, Paganelli G: Peptide receptor radionuclide therapy with (90)Y-DOTATOC in recurrent meningioma. Eur J Nucl Med Mol Imaging; 2009 Sep;36(9):1407-16
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  • [Title] Peptide receptor radionuclide therapy with (90)Y-DOTATOC in recurrent meningioma.
  • We assessed peptide receptor radionuclide therapy (PRRT) using (90)Y-DOTATOC in a group of patients with meningioma recurring after standard treatments in all of whom somatostatin receptors were strongly expressed on meningioma cell surfaces.
  • METHODS: Twenty-nine patients with scintigraphically proven somatostatin subtype 2 receptor-positive meningiomas were enrolled: 14 had benign (grade I), 9 had atypical (grade II) and 6 had malignant (grade III) disease.
  • Better results were obtained in patients with grade I meningioma than in those with grade II-III, with median time to progression (from beginning PRRT) of 61 months in the low-grade group and 13 months in the high-grade group.
  • The adjuvant role of this treatment, soon after surgery, especially in atypical and malignant histotypes, deserves further investigation.
  • [MeSH-major] Meningeal Neoplasms / radiotherapy. Meningioma / radiotherapy. Neoplasm Recurrence, Local / radiotherapy. Octreotide / analogs & derivatives. Radiopharmaceuticals / therapeutic use. Receptors, Somatostatin / metabolism
  • [MeSH-minor] Adolescent. Adult. Aged. Child. Female. Humans. Male. Middle Aged. Young Adult. Yttrium Radioisotopes

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  • (PMID = 19319527.001).
  • [ISSN] 1619-7089
  • [Journal-full-title] European journal of nuclear medicine and molecular imaging
  • [ISO-abbreviation] Eur. J. Nucl. Med. Mol. Imaging
  • [Language] eng
  • [Publication-type] Clinical Trial; Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Radiopharmaceuticals; 0 / Receptors, Somatostatin; 0 / Yttrium Radioisotopes; 0 / somatostatin receptor 2; RWM8CCW8GP / Octreotide; U194AS08HZ / Edotreotide
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44. Qi ZG, Li YX, Wang Y, Geng DY, Li KC, Shen TZ, Chen XR: Lipid signal in evaluation of intracranial meningiomas. Chin Med J (Engl); 2008 Dec 5;121(23):2415-9
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  • BACKGROUND: Using magnetic resonance imaging, diagnosis of malignant meningioma from benign meningioma with atypical features is uncertain.
  • RESULTS: Twenty-nine meningiomas were histologically benign (eleven meningothelial, thirteen fibrous, four transitional and one microcystic), three were atypical, and two were anaplastic.
  • Lipid signal was detected in ten cases: two anaplastic, three atypical, two fibrous and three meningothelial meningiomas.
  • With creatinine peak in the normal white matter chosen as internal standard, lipid/creatinine ratios of anaplastic, atypical and benign meningiomas were 0.844 +/- 0.027 (range from 0.725 to 0.994), 0.465 +/- 0.023 (range from 0.239 to 0.724), and 0.373 +/- 0.016 (range from 0.172 to 0.571) respectively.
  • Patchy necrosis was observed in anaplastic meningioma, while focal necrosis was noted in atypical meningioma with HE stain.
  • KP-1 stain demonstrated histocytes containing lipids in the necrotic region of anaplastic and atypical meningioma.
  • CONCLUSION: The lipid signal at 1.3 ppm is a useful marker in evaluating the malignancy of intracranial meningiomas, especially in the differential diagnosis of anaplastic meningioma.
  • [MeSH-major] Magnetic Resonance Imaging / methods. Magnetic Resonance Spectroscopy / methods. Meningeal Neoplasms / diagnosis. Meningioma / diagnosis
  • [MeSH-minor] Adult. Female. Humans. Male. Middle Aged. Reproducibility of Results. Sensitivity and Specificity

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  • (PMID = 19102960.001).
  • [ISSN] 0366-6999
  • [Journal-full-title] Chinese medical journal
  • [ISO-abbreviation] Chin. Med. J.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] China
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45. Wen PY, Yung WK, Lamborn KR, Norden AD, Cloughesy TF, Abrey LE, Fine HA, Chang SM, Robins HI, Fink K, Deangelis LM, Mehta M, Di Tomaso E, Drappatz J, Kesari S, Ligon KL, Aldape K, Jain RK, Stiles CD, Egorin MJ, Prados MD: Phase II study of imatinib mesylate for recurrent meningiomas (North American Brain Tumor Consortium study 01-08). Neuro Oncol; 2009 Dec;11(6):853-60
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  • Patients were stratified into benign (WHO grade I) meningiomas or atypical (WHO grade II) and malignant (WHO grade III) meningiomas.
  • Twenty-three heavily pretreated patients were enrolled into the study (13 benign, 5 atypical, and 5 malignant meningiomas), of whom 22 were eligible.
  • For atypical and malignant meningiomas, median PFS was 2 months (range, 0.7-3.7 months); 6M-PFS was 0%.

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  • (PMID = 19293394.001).
  • [ISSN] 1523-5866
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / U01 CA062407; United States / NCRR NIH HHS / RR / M01 RR000079; United States / NCRR NIH HHS / RR / M01 RR003186; United States / NCRR NIH HHS / RR / M01 RR000056; United States / NCRR NIH HHS / RR / M01 RR000865; United States / NCI NIH HHS / CA / U01 CA062399; United States / NCRR NIH HHS / RR / M01 RR000633; United States / NCI NIH HHS / CA / U01 CA062412; United States / NCI NIH HHS / CA / CA 62399; United States / NCI NIH HHS / CA / CA062421-07; United States / NCI NIH HHS / CA / U01 CA062421-07; United States / NCI NIH HHS / CA / U01 CA062421; United States / NCI NIH HHS / CA / U01 CA105663
  • [Publication-type] Clinical Trial, Phase II; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Antineoplastic Agents; 0 / Benzamides; 0 / Piperazines; 0 / Pyrimidines; 8A1O1M485B / Imatinib Mesylate; EC 2.7.10.1 / Protein-Tyrosine Kinases; EC 2.7.10.1 / Receptor, Platelet-Derived Growth Factor alpha; EC 2.7.10.1 / Receptor, Platelet-Derived Growth Factor beta
  • [Other-IDs] NLM/ PMC2802405
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46. Li X, Zhao J: Intracranial meningiomas of childhood and adolescence: report of 34 cases with follow-up. Childs Nerv Syst; 2009 Nov;25(11):1411-7
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  • The higher incidence of atypical histopathological features than adult is affirmative.
  • [MeSH-major] Brain Neoplasms / epidemiology. Brain Neoplasms / therapy. Meningioma / epidemiology. Meningioma / therapy

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  • (PMID = 19636568.001).
  • [ISSN] 1433-0350
  • [Journal-full-title] Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
  • [ISO-abbreviation] Childs Nerv Syst
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Germany
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47. Ren Y, Liu AJ, Zou X, Wang FY, Wang JW: [Atypical meningioma of left lateral sulcus with chondroid metaplasia: report of a case]. Zhonghua Bing Li Xue Za Zhi; 2008 Jan;37(1):65-6
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  • [Title] [Atypical meningioma of left lateral sulcus with chondroid metaplasia: report of a case].
  • [MeSH-major] Meningeal Neoplasms / complications. Meningeal Neoplasms / pathology. Meningioma / complications. Meningioma / pathology. Metaplasia / complications
  • [MeSH-minor] Adult. Female. Humans

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  • (PMID = 18509991.001).
  • [ISSN] 0529-5807
  • [Journal-full-title] Zhonghua bing li xue za zhi = Chinese journal of pathology
  • [ISO-abbreviation] Zhonghua Bing Li Xue Za Zhi
  • [Language] chi
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] China
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48. Bruna J, Brell M, Ferrer I, Gimenez-Bonafe P, Tortosa A: Ki-67 proliferative index predicts clinical outcome in patients with atypical or anaplastic meningioma. Neuropathology; 2007 Apr;27(2):114-20
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  • [Title] Ki-67 proliferative index predicts clinical outcome in patients with atypical or anaplastic meningioma.
  • Although most are benign, between 5% and 15% of meningiomas are atypical (grade II) whereas 1-2% are anaplastic meningiomas (grade III).
  • Although histological grade is the most relevant prognostic factor, there are some unusual cases in which establishing a diagnosis of high-grade meningioma following 2000 World Health Organization (WHO) histological criteria is extremely difficult.
  • A total of 28 patients (with 16 atypical meningiomas and 12 anaplastic meningiomas) were evaluated for demographic, clinical, radiological and therapeutic variables, and for Ki-67 immunohistochemistry.
  • More importantly, this predictive value was maintained in both patients with atypical and patients with anaplastic meningioma.
  • [MeSH-major] Biomarkers, Tumor / analysis. Ki-67 Antigen / metabolism. Meningeal Neoplasms / pathology. Meningioma / pathology
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Cell Proliferation. Female. Humans. Immunohistochemistry. Male. Middle Aged. Neoplasm Recurrence, Local / pathology. Prognosis. ROC Curve. Sensitivity and Specificity. Survival Analysis

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  • [CommentIn] Neuropathology. 2008 Feb;28(1):106-7 [18181839.001]
  • (PMID = 17494511.001).
  • [ISSN] 0919-6544
  • [Journal-full-title] Neuropathology : official journal of the Japanese Society of Neuropathology
  • [ISO-abbreviation] Neuropathology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Australia
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Ki-67 Antigen
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49. Uzüm N, Ataoğlu GA: Histopathological parameters with Ki-67 and bcl-2 in the prognosis of meningiomas according to WHO 2000 classification. Tumori; 2008 May-Jun;94(3):389-97
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  • AIMS AND BACKGROUND: Meningiomas are classified following the WHO system of 2000 into three grades, benign (grade I), atypical (grade II), and anaplastic (grade III).
  • METHODS: In the present study, 246 cases of meningioma were reclassified according to the WHO 2000 system.
  • [MeSH-major] Biomarkers, Tumor / analysis. Ki-67 Antigen / analysis. Meningeal Neoplasms / chemistry. Meningeal Neoplasms / pathology. Meningioma / chemistry. Meningioma / pathology. Proto-Oncogene Proteins c-bcl-2 / analysis
  • [MeSH-minor] Adult. Aged. Disease-Free Survival. Female. Gene Expression Regulation, Neoplastic. Humans. Immunohistochemistry. Kaplan-Meier Estimate. Male. Middle Aged. Predictive Value of Tests. Prognosis. Retrospective Studies. Severity of Illness Index. World Health Organization

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  • (PMID = 18705408.001).
  • [ISSN] 0300-8916
  • [Journal-full-title] Tumori
  • [ISO-abbreviation] Tumori
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Ki-67 Antigen; 0 / Proto-Oncogene Proteins c-bcl-2
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50. Milker-Zabel S, Zabel A, Schulz-Ertner D, Schlegel W, Wannenmacher M, Debus J: Fractionated stereotactic radiotherapy in patients with benign or atypical intracranial meningioma: long-term experience and prognostic factors. Int J Radiat Oncol Biol Phys; 2005 Mar 1;61(3):809-16
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  • [Title] Fractionated stereotactic radiotherapy in patients with benign or atypical intracranial meningioma: long-term experience and prognostic factors.
  • PURPOSE: To analyze our long-term experience and prognostic factors after fractionated stereotactic radiotherapy (FSRT) in patients with benign or atypical intracranial meningioma.
  • METHODS AND MATERIALS: Between January 1985 and December 2001, 317 patients with a median age of 55.7 years were treated with FSRT for intracranial meningioma.
  • Local tumor failure was significantly greater in patients with WHO Grade 2 meningioma (p <0.002) than in patients with WHO Grade 1 or unknown histologic features.
  • Patients treated for recurrent meningioma showed a trend toward decreased progression-free survival compared with patients treated with primary therapy, after biopsy, or after subtotal resection (p <0.06).
  • Eight patients developed new clinical symptoms, such as reduced vision, trigeminal neuralgia, and intermittent tinnitus located at the side of the irradiated meningioma after FSRT.
  • CONCLUSION: These data have demonstrated that FSRT is an effective and safe treatment modality for local control of meningioma with a low risk of significant late toxicity.
  • We identified the tumor volume, indication for FSRT, and histologic features of the meningioma as statistically significant prognostic factors.
  • [MeSH-major] Meningeal Neoplasms / radiotherapy. Meningioma / radiotherapy
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Child. Disease Progression. Dose Fractionation. Female. Follow-Up Studies. Humans. Male. Middle Aged. Neoplasm Recurrence, Local / radiotherapy. Prognosis. Radiotherapy Planning, Computer-Assisted. Stereotaxic Techniques. Survival Rate

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  • (PMID = 15708260.001).
  • [ISSN] 0360-3016
  • [Journal-full-title] International journal of radiation oncology, biology, physics
  • [ISO-abbreviation] Int. J. Radiat. Oncol. Biol. Phys.
  • [Language] eng
  • [Publication-type] Evaluation Studies; Journal Article
  • [Publication-country] United States
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51. Chen J, Xu X, Wang H: Expression of integrin-alpha(3) mRNA in meningiomas and its correlation with proliferation and invasion. J Huazhong Univ Sci Technolog Med Sci; 2009 Feb;29(1):94-6
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  • The results showed that the expression of integrin-alpha(3) mRNA in benign, atypical and malignant meningiomas was 2.52+/-0.362, 1.75+/-0.316 and 1.42+/-0.633, respectively.
  • The expression levels of integrin-alpha(3) mRNA was significantly lower in atypical or malignant meningiomas than those in benign meningiomas (P<0.05, P<0.01, respectively).
  • [MeSH-major] Integrin alpha3 / metabolism. Meningeal Neoplasms / metabolism. Meningeal Neoplasms / pathology. Meningioma / metabolism. Meningioma / pathology
  • [MeSH-minor] Adolescent. Adult. Aged. Cell Proliferation. Female. Humans. Male. Middle Aged. Neoplasm Invasiveness. RNA, Messenger / genetics. RNA, Messenger / metabolism. Young Adult

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  • [ISSN] 1672-0733
  • [Journal-full-title] Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban
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52. Robbins MS, Tarshish S, Napchan U, Grosberg BM: Images from headache: atypical cluster headache secondary to giant meningioma. Headache; 2009 Jul;49(7):1052-3
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  • [Title] Images from headache: atypical cluster headache secondary to giant meningioma.
  • [MeSH-major] Cluster Headache / diagnosis. Cluster Headache / etiology. Meningeal Neoplasms / complications. Meningeal Neoplasms / diagnosis. Meningioma / complications. Meningioma / diagnosis
  • [MeSH-minor] Adult. Gadolinium. Humans. Magnetic Resonance Imaging / methods. Male

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  • (PMID = 19583595.001).
  • [ISSN] 1526-4610
  • [Journal-full-title] Headache
  • [ISO-abbreviation] Headache
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] AU0V1LM3JT / Gadolinium
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53. Ammerlaan AC, Houben MP, Tijssen CC, Wesseling P, Hulsebos TJ: Secondary meningioma in a long-term survivor of atypical teratoid/rhabdoid tumour with a germline INI1 mutation. Childs Nerv Syst; 2008 Jul;24(7):855-7
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  • [Title] Secondary meningioma in a long-term survivor of atypical teratoid/rhabdoid tumour with a germline INI1 mutation.
  • OBJECTIVE: We report on a patient who developed a meningioma more than two decades after removal at a young age of an atypical teratoid/rhabdoid tumour (AT/RT), which was due to a germline INI1 mutation, and radio- and chemotherapy.
  • MATERIALS AND METHODS: We present genetic evidence that the meningioma is not a recurrence or metastasis of the AT/RT and not due to the INI1 mutation, but is a radiation-induced tumour.
  • [MeSH-major] Chromosomal Proteins, Non-Histone / genetics. DNA-Binding Proteins / genetics. Meningioma / secondary. Mutation / genetics. Rhabdoid Tumor / genetics. Transcription Factors / genetics
  • [MeSH-minor] Adult. Genetic Predisposition to Disease. Humans. Loss of Heterozygosity. Male. Polymorphism, Single Nucleotide. Radiotherapy / adverse effects. Radiotherapy / methods

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  • (PMID = 18236049.001).
  • [ISSN] 0256-7040
  • [Journal-full-title] Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
  • [ISO-abbreviation] Childs Nerv Syst
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Research Support, Non-U.S. Gov't
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  • [Other-IDs] NLM/ PMC2413122
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54. Banerjee J, Pääkkö E, Harila M, Herva R, Tuominen J, Koivula A, Lanning M, Harila-Saari A: Radiation-induced meningiomas: a shadow in the success story of childhood leukemia. Neuro Oncol; 2009 Oct;11(5):543-9
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  • Our cohort consisted of 60 consecutive cranially irradiated adult survivors of childhood leukemia treated in Oulu University Hospital (Oulu, Finland); MRI of the brain was performed on 49.
  • Of the 49 patients, 11 (22%) 1-8 years of age at the time of diagnosis developed meningioma later in life, while no other brain tumors were seen.
  • In this cohort, the development of meningioma seemed to show undisputable linkage with long latency periods (mean, 25 years; range, 14-34 years) and an increasing incidence 20 years after the treatment (47%).
  • Three patients had multiple meningiomas, two had recurrent disease, and one had an atypical meningioma.
  • Although the cohort is small, it seems probable that the increasing incidence of meningioma will shadow the future of cranially irradiated leukemia survivors.
  • [MeSH-major] Leukemia / radiotherapy. Meningeal Neoplasms / epidemiology. Meningioma / epidemiology. Neoplasms, Radiation-Induced / epidemiology. Radiotherapy / adverse effects
  • [MeSH-minor] Adult. Antineoplastic Agents / administration & dosage. Antineoplastic Agents / adverse effects. Child. Child, Preschool. Combined Modality Therapy. Humans. Incidence. Infant. Kaplan-Meier Estimate. Magnetic Resonance Imaging. Risk Factors. Survivors / statistics & numerical data

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  • (PMID = 19179425.001).
  • [ISSN] 1522-8517
  • [Journal-full-title] Neuro-oncology
  • [ISO-abbreviation] Neuro-oncology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antineoplastic Agents
  • [Other-IDs] NLM/ PMC2765343
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55. Trinkaus M, Vranic A, Dolenc VV, Lah TT: Cathepsins B and L and their inhibitors stefin B and cystatin C as markers for malignant progression of benign meningiomas. Int J Biol Markers; 2005 Jan-Mar;20(1):50-9
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  • They have a wide range of histopathological appearances and are classified, according to the aggressiveness of their growth and the risk of recurrence, as WHO grade I (benign) meningiomas, WHO grade II (atypical) meningiomas and WHO grade III anaplastic (malignant) meningiomas.
  • The expression of cathepsins B and L and their inhibitors stefin B and cystatin C in 21 benign (grade I) and 9 atypical (grade II) meningiomas has been compared by immunohistochemical staining, QRT-PCR and Northern blot analysis.
  • The protein levels of cathepsins B (p=0.050) and L (p=0.019) were found to be significantly higher in atypical than in benign meningiomas.
  • Protein and mRNA levels of stefin B (p= 0.007), but not cystatin C, were significantly lower in atypical compared with benign meningiomas.
  • The expression of cathepsins and inhibitors was not different between central and peripheral meningioma tissue or between histological subtypes of meningiomas, with the exception of cathepsin L, the level of which was significantly lower in transitional meningiomas.
  • The diagnostic and prognostic value for relapse of meningioma needs to be confirmed in a larger population of patients.
  • [MeSH-major] Cathepsin B / metabolism. Cathepsins / metabolism. Cystatins / genetics. Cysteine Endopeptidases / metabolism. Meningeal Neoplasms / pathology. Meningioma / metabolism. Meningioma / pathology
  • [MeSH-minor] Adult. Aged. Biomarkers, Tumor / antagonists & inhibitors. Biomarkers, Tumor / genetics. Biomarkers, Tumor / metabolism. Cathepsin L. Cell Proliferation. Cell Transformation, Neoplastic / genetics. Cystatin B. Cystatin C. Disease Progression. Female. Gene Expression Regulation, Neoplastic / genetics. Humans. Immunohistochemistry. Male. Middle Aged. RNA, Messenger / genetics. RNA, Messenger / metabolism. Receptors, Progesterone / metabolism

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  • (PMID = 15832773.001).
  • [ISSN] 0393-6155
  • [Journal-full-title] The International journal of biological markers
  • [ISO-abbreviation] Int. J. Biol. Markers
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / CST3 protein, human; 0 / CSTB protein, human; 0 / Cystatin C; 0 / Cystatins; 0 / RNA, Messenger; 0 / Receptors, Progesterone; 88844-95-5 / Cystatin B; EC 3.4.- / Cathepsins; EC 3.4.22.- / Cysteine Endopeptidases; EC 3.4.22.1 / Cathepsin B; EC 3.4.22.15 / CTSL1 protein, human; EC 3.4.22.15 / Cathepsin L
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56. Behbahani M, Ahmad FU, Siddiqui MA, Stewart W, Alakandy LM: Transjugular extension of meningioma into the mediastinum-a case report. Acta Neurochir (Wien); 2010 Jan;152(1):151-4
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  • [Title] Transjugular extension of meningioma into the mediastinum-a case report.
  • A case of a tentorial meningioma with atypical histological features invading the transverse sinus and extending along the internal jugular vein up to the superior mediastinum is described.
  • [MeSH-major] Magnetic Resonance Imaging. Mediastinum / pathology. Mediastinum / radiography. Meningeal Neoplasms / diagnosis. Meningioma / diagnosis. Neoplasm Invasiveness / diagnosis. Tomography, X-Ray Computed
  • [MeSH-minor] Adult. Craniotomy. Disease Progression. Female. Humans. Image Processing, Computer-Assisted. Jugular Veins / pathology. Jugular Veins / radiography. Neurosurgical Procedures. Radiography, Thoracic

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  • (PMID = 19399362.001).
  • [ISSN] 0942-0940
  • [Journal-full-title] Acta neurochirurgica
  • [ISO-abbreviation] Acta Neurochir (Wien)
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Austria
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57. Tong Y, Mentlein R, Buhl R, Hugo HH, Krause J, Mehdorn HM, Held-Feindt J: Overexpression of midkine contributes to anti-apoptotic effects in human meningiomas. J Neurochem; 2007 Feb;100(4):1097-107
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  • Most meningiomas grow slowly; however, atypical and anaplastic meningiomas show an aggressive biological behaviour.
  • Both molecules are highly expressed during human embryogenesis but are rarely seen in the adult.
  • Midkine stimulation of cultured meningioma cells induced phosphorylation of Akt, whereas no increase in phosphorylation of p42/44 MAPK or p38 MAPK could be detected.
  • Midkine did not influence the proliferation of meningioma cells in vitro, but it did protect meningioma cells from camptothecin-mediated apoptotic cell death through reduction in the amounts of active caspase-3.
  • [MeSH-major] Apoptosis / physiology. Cytokines / metabolism. Gene Expression / physiology. Meningioma / metabolism

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  • (PMID = 17181554.001).
  • [ISSN] 0022-3042
  • [Journal-full-title] Journal of neurochemistry
  • [ISO-abbreviation] J. Neurochem.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Antineoplastic Agents, Phytogenic; 0 / Cytokines; 0 / Membrane Glycoproteins; 0 / Receptors, Growth Factor; 0 / midkine receptors; 137497-38-2 / midkine; EC 2.7.11.1 / Proto-Oncogene Proteins c-akt; EC 2.7.12.2 / Mitogen-Activated Protein Kinase Kinases; EC 3.4.22.- / Caspase 3; XT3Z54Z28A / Camptothecin
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58. Terzi A, Saglam EA, Barak A, Soylemezoglu F: The significance of immunohistochemical expression of Ki-67, p53, p21, and p16 in meningiomas tissue arrays. Pathol Res Pract; 2008;204(5):305-14
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  • There have been several efforts to evaluate the use of different immunohistochemical markers for predicting meningioma prognosis.
  • We analyzed the immunohistochemical expression of Ki-67, p53, p21, p16, and PTEN proteins in 130 meningiomas (64 benign, 39 atypical, and 27 malignant meningiomas) using tissue microarray.
  • In contrast, multivariate analysis revealed that only tumor grade is an independent factor for predicting meningioma recurrence.
  • We conclude that the Ki-67 and p53 labeling indices are useful additional tools in discriminating atypical from benign or anaplastic meningiomas, especially in histological borderline cases.
  • [MeSH-major] Cyclin-Dependent Kinase Inhibitor p16 / analysis. Cyclin-Dependent Kinase Inhibitor p21 / analysis. Immunohistochemistry. Ki-67 Antigen / analysis. Meningeal Neoplasms / chemistry. Meningioma / chemistry. Tissue Array Analysis. Tumor Suppressor Protein p53 / analysis
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Child. Child, Preschool. Disease-Free Survival. Female. Humans. Infant. Logistic Models. Male. Middle Aged. Neoplasm Staging. Neurofibromatosis 2 / immunology. Neurofibromatosis 2 / metabolism. PTEN Phosphohydrolase / analysis. Recurrence. Risk Assessment. Time Factors. Treatment Outcome

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  • (PMID = 18374497.001).
  • [ISSN] 0344-0338
  • [Journal-full-title] Pathology, research and practice
  • [ISO-abbreviation] Pathol. Res. Pract.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / CDKN1A protein, human; 0 / Cyclin-Dependent Kinase Inhibitor p16; 0 / Cyclin-Dependent Kinase Inhibitor p21; 0 / Ki-67 Antigen; 0 / TP53 protein, human; 0 / Tumor Suppressor Protein p53; EC 3.1.3.48 / PTEN protein, human; EC 3.1.3.67 / PTEN Phosphohydrolase
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59. Rutherford SA, Linton KM, Durnian JM, Cowie RA: Epidural meningioma of the sacral canal. Case report. J Neurosurg Spine; 2006 Jan;4(1):71-4
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  • [Title] Epidural meningioma of the sacral canal. Case report.
  • Histological examination confirmed that the tumor was an atypical meningioma.
  • [MeSH-major] Epidural Space / pathology. Meningeal Neoplasms / pathology. Meningioma / pathology. Spinal Cord Neoplasms / pathology
  • [MeSH-minor] Adult. Humans. Magnetic Resonance Imaging. Male. Neoplasm Recurrence, Local / surgery. Prognosis. Sacrococcygeal Region

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  • (PMID = 16506469.001).
  • [ISSN] 1547-5654
  • [Journal-full-title] Journal of neurosurgery. Spine
  • [ISO-abbreviation] J Neurosurg Spine
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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60. Hakyemez B, Erdogan C, Bolca N, Yildirim N, Gokalp G, Parlak M: Evaluation of different cerebral mass lesions by perfusion-weighted MR imaging. J Magn Reson Imaging; 2006 Oct;24(4):817-24
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  • MATERIALS AND METHODS: This study involved 105 patients with lesions (high-grade glioma (N=26), low-grade glioma (N=11), meningioma (N=23), metastasis (N=25), hemangioblastoma (N=6), pyogenic abscess (N=4), schwannoma (N=5), and lymphoma (N=5)).
  • The rCBV ratios were used to discriminate between 1) high- and low-grade gliomas (P<0.001), 2) hemangioblastomas and metastases (P<0.05), 3) abscesses from high-grade gliomas and metastases (P<0.001), 4) schwannomas and meningiomas (P<0.001), 5) lymphomas from high-grade gliomas and metastases (P<0.001), and 6) typical meningiomas and atypical meningiomas (P<0.01).
  • It is possible to discriminate between 1) high- and low-grade gliomas, 2) hemangioblastomas and other intracranial posterior fossa masses, 3) abscesses from high-grade gliomas and metastases, 4) schwannomas and meningiomas, 5) lymphomas and high-grade gliomas and metastases, and 6) typical and atypical meningiomas.
  • [MeSH-minor] Adolescent. Adult. Aged. Blood Volume. Cerebrovascular Circulation. Child. Child, Preschool. Diagnosis, Differential. Female. Humans. Image Interpretation, Computer-Assisted. Infant. Male. Middle Aged. Statistics, Nonparametric

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  • [Copyright] Copyright (c) 2006 Wiley-Liss, Inc.
  • (PMID = 16958061.001).
  • [ISSN] 1053-1807
  • [Journal-full-title] Journal of magnetic resonance imaging : JMRI
  • [ISO-abbreviation] J Magn Reson Imaging
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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61. Liu Y, Pang JC, Dong S, Mao B, Poon WS, Ng HK: Aberrant CpG island hypermethylation profile is associated with atypical and anaplastic meningiomas. Hum Pathol; 2005 Apr;36(4):416-25
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  • [Title] Aberrant CpG island hypermethylation profile is associated with atypical and anaplastic meningiomas.
  • The methylation status at the promoter region of 10 cancer-related genes was examined by methylation-specific polymerase chain reaction in a cohort of 48 meningiomas including 16 benign, 19 atypical, and 13 anaplastic variants.
  • Treatment of IOMM-Lee meningioma cell line with 5-aza-2'-deoxycytidine restored expression of O 6 -methylguanine-DNA methyltransferase and death-associated protein kinase 1, providing evidence that promoter hypermethylation contributes to transcriptional silencing.
  • The frequencies of methylation of any single gene in benign, atypical, and malignant meningiomas were 6% (1/16), 74% (14/19), and 69% (9/13), respectively.
  • Of 48 tumors, 13 (27%) showed that concurrent hypermethylation of two or more genes studied were of atypical or anaplastic type.
  • Statistical analysis revealed that the incidence of promoter hypermethylation of any single gene, of multiple genes, or of glutathione S -transferase P1 was significantly associated with atypical and anaplastic meningiomas ( P < .0001, P = .004, and P = .004, respectively).
  • In conclusion, this study demonstrates that aberrant hypermethylation profile is associated with atypical and anaplastic meningiomas, suggesting that epigenetic change may be involved in malignant progression of meningiomas.
  • [MeSH-major] Azacitidine / analogs & derivatives. CpG Islands. DNA Methylation. Meningioma / genetics. Promoter Regions, Genetic
  • [MeSH-minor] Adult. Aged. Female. Humans. Male. Middle Aged. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 15892004.001).
  • [ISSN] 0046-8177
  • [Journal-full-title] Human pathology
  • [ISO-abbreviation] Hum. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 776B62CQ27 / decitabine; M801H13NRU / Azacitidine
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62. Schittenhelm J, Mittelbronn M, Roser F, Tatagiba M, Mawrin C, Bornemann A: Patterns of SPARC expression and basement membrane intactness at the tumour-brain border of invasive meningiomas. Neuropathol Appl Neurobiol; 2006 Oct;32(5):525-31
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  • In the present study we aimed at determining the relationship of basement membrane intactness and SPARC protein expression at the meningioma-brain border.
  • Sections of 51 brain-invasive meningiomas (31 meningothelial meningiomas WHO grade I, 11 atypical WHO grade II, and nine anaplastic WHO grade III tumours) were immunolabelled with antibodies against SPARC, epithelial membrane antigen (EMA), collagen IV and glial fibrillary acidic protein (GFAP).
  • In conclusion, the destruction of the basement membrane is correlated with meningioma malignancy grade whereas the expression of SPARC protein at the tumour-brain border is not.
  • [MeSH-major] Basement Membrane / pathology. Brain / pathology. Brain Neoplasms / pathology. Meningioma / pathology. Osteonectin / biosynthesis. Osteonectin / genetics
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Brain Chemistry / genetics. Collagen Type IV / metabolism. Cytoplasm / metabolism. Cytoplasm / pathology. Female. Glial Fibrillary Acidic Protein / metabolism. Humans. Immunohistochemistry. Male. Middle Aged. Neoplasm Staging

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  • (PMID = 16972886.001).
  • [ISSN] 0305-1846
  • [Journal-full-title] Neuropathology and applied neurobiology
  • [ISO-abbreviation] Neuropathol. Appl. Neurobiol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Collagen Type IV; 0 / Glial Fibrillary Acidic Protein; 0 / Osteonectin
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63. Khong SY, Leach J, Greenwood C: Meningioma mimicking puerperal psychosis. Obstet Gynecol; 2007 Feb;109(2 Pt2):515-6
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  • [Title] Meningioma mimicking puerperal psychosis.
  • Meningioma was diagnosed by computed tomography and treated successfully with steroids, anticonvulsant, and craniotomy.
  • CONCLUSION: It is imperative to perform a thorough neurologic examination in a patient who presents with atypical psychiatric symptoms in the antenatal or postpartum period.
  • Neuroimaging should be performed in the presence of any neurologic abnormality to exclude intracranial lesions such as meningioma.
  • [MeSH-major] Meningeal Neoplasms / diagnosis. Meningioma / diagnosis. Psychotic Disorders / etiology. Puerperal Disorders / diagnosis
  • [MeSH-minor] Adult. Diagnosis, Differential. Female. Humans. Magnetic Resonance Imaging. Pregnancy. Pregnancy Trimester, Third

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  • (PMID = 17267878.001).
  • [ISSN] 0029-7844
  • [Journal-full-title] Obstetrics and gynecology
  • [ISO-abbreviation] Obstet Gynecol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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64. Stremenová J, Mares V, Lisá V, Hilser M, Krepela E, Vanicková Z, Syrucek M, Soula O, Sedo A: Expression of dipeptidyl peptidase-IV activity and/or structure homologs in human meningiomas. Int J Oncol; 2010 Feb;36(2):351-8
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  • DPP-IV-like enzymatic activity, including all enzymatically-active DASH molecules, was found in all 18 benign meningiomas WHO grade I and IV atypical meningiomas WHO grade II by continuous rate fluorimetric assay in tissue homogenates and catalytic enzyme histochemistry in situ.
  • In atypical meningiomas, this activity was significantly higher and was associated with higher cell proliferation as detected by Ki67 antigen immunohistochemistry.
  • Expression of CXCR4, the receptor of pro-proliferative chemokine stromal cell-derived factor-1alpha (SDF-1alpha), DPP-IV substrate, was found in all tumors, suggesting higher values in atypical grade II samples.
  • [MeSH-major] Dipeptidases / metabolism. Dipeptidyl Peptidase 4 / metabolism. Dipeptidyl-Peptidases and Tripeptidyl-Peptidases / metabolism. Meningeal Neoplasms / enzymology. Meningioma / enzymology
  • [MeSH-minor] Adult. Aged. Biomarkers, Tumor / analysis. Female. Gelatinases / genetics. Gelatinases / metabolism. Gene Expression. Gene Expression Profiling. Humans. Immunohistochemistry. Isoenzymes / genetics. Isoenzymes / metabolism. Male. Membrane Proteins / genetics. Membrane Proteins / metabolism. Middle Aged. RNA, Messenger / analysis. Reverse Transcriptase Polymerase Chain Reaction. Serine Endopeptidases / genetics. Serine Endopeptidases / metabolism

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  • (PMID = 20043068.001).
  • [ISSN] 1791-2423
  • [Journal-full-title] International journal of oncology
  • [ISO-abbreviation] Int. J. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Isoenzymes; 0 / Membrane Proteins; 0 / RNA, Messenger; EC 3.4.13.- / Dipeptidases; EC 3.4.14.- / DPP9 protein, human; EC 3.4.14.- / Dipeptidyl-Peptidases and Tripeptidyl-Peptidases; EC 3.4.14.5 / DPP8 protein, human; EC 3.4.14.5 / Dipeptidyl Peptidase 4; EC 3.4.21.- / Serine Endopeptidases; EC 3.4.21.- / fibroblast activation protein alpha; EC 3.4.24.- / Gelatinases
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65. Moradi A, Semnani V, Djam H, Tajodini A, Zali AR, Ghaemi K, Nikzad N, Madani-Civi M: Pathodiagnostic parameters for meningioma grading. J Clin Neurosci; 2008 Dec;15(12):1370-5
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  • [Title] Pathodiagnostic parameters for meningioma grading.
  • In this study the relationship between pathodiagnostic parameters, histological grade, and MIB-1 monoclonal antibody expression in meningioma diagnosed over 10 years in Shohada Hospital, Tehran, was assessed.
  • All slides stained with hematoxylin and eosin were reviewed by two independent pathologists and all the diagnoses reconfirmed; histological anaplasia was classified according to the grading of the WHO Working Group 2000 as benign (Grade I), atypical with incipient signs of anaplasia (Grade II), or overtly anaplastic (Grade III).
  • [MeSH-major] Meningeal Neoplasms / diagnosis. Meningioma / diagnosis
  • [MeSH-minor] Adolescent. Adult. Aged. Child. Female. Humans. Iran. Magnetic Resonance Imaging. Male. Middle Aged. Retrospective Studies. Ubiquitin-Protein Ligases / metabolism. X-Ray Microtomography. Young Adult

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  • (PMID = 18819804.001).
  • [ISSN] 0967-5868
  • [Journal-full-title] Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
  • [ISO-abbreviation] J Clin Neurosci
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Scotland
  • [Chemical-registry-number] EC 6.3.2.19 / MIB1 ligase, human; EC 6.3.2.19 / Ubiquitin-Protein Ligases
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66. Miyatake S, Tamura Y, Kawabata S, Iida K, Kuroiwa T, Ono K: Boron neutron capture therapy for malignant tumors related to meningiomas. Neurosurgery; 2007 Jul;61(1):82-90; discussion 90-1
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  • Three were anaplastic meningiomas, two were papillary meningiomas, one was an atypical meningioma, and one was a sarcoma transformed from a meningioma with cervical lymph node metastasis.
  • The atypical meningioma case showed a tumor-to-healthy brain ratio of 2.0.
  • In this patient, a huge atypical meningioma arose from the falcotentorial junction and extended to the bilateral occipital lobes and brainstem; visual problems worsened after repetitive BNCT, with an increase in peritumoral edema.
  • [MeSH-minor] Adult. Brain Injuries / etiology. Brain Injuries / radionuclide imaging. Female. Humans. Male. Radiation Injuries / etiology. Radiation Injuries / radionuclide imaging. Treatment Outcome

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  • (PMID = 17621022.001).
  • [ISSN] 1524-4040
  • [Journal-full-title] Neurosurgery
  • [ISO-abbreviation] Neurosurgery
  • [Language] eng
  • [Publication-type] Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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67. Rezanko T, Tunakan M, Kahraman A, Sucu HK, Gelal F, Akkol I: Primary rhabdoid tumor of the brain in an adult. Neuropathology; 2006 Feb;26(1):57-61
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  • [Title] Primary rhabdoid tumor of the brain in an adult.
  • The first case in the CNS was reported in 1985 and was defined as "rhabdoid tumor" initially, and was classified as grade IV in the most recent classification of the World Health Organization under the term of "atypical teratoid/rhabdoid tumor".
  • Nearly 200 cases of atypical teratoid/rhabdoid tumor of the CNS have been reported to date, most of them occurring in childhood.
  • In conclusion, RT should be considered also in the differential diagnosis of intracerebral neoplasms of adult patients.
  • [MeSH-minor] Adult. Biomarkers, Tumor / analysis. Diagnosis, Differential. Humans. Immunohistochemistry. Male. Meningioma / pathology

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  • (PMID = 16521480.001).
  • [ISSN] 0919-6544
  • [Journal-full-title] Neuropathology : official journal of the Japanese Society of Neuropathology
  • [ISO-abbreviation] Neuropathology
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Australia
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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68. Kim JH, Kim IS, Kwon SY, Jang BC, Suh SI, Shin DH, Jeon CH, Son EI, Kim SP: Mutational analysis of the NF2 gene in sporadic meningiomas by denaturing high-performance liquid chromatography. Int J Mol Med; 2006 Jul;18(1):27-32
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  • In order to evaluate the role of the NF2 gene in sporadic meningiomas, we analyzed the entire coding regions of the NF2 gene in a group of 42 sporadic meningiomas: 17 meningothelial, 11 transitional, 11 fibrous, one secretory, one atypical, and one malignant subtype, using denaturing high-performance liquid chromatography (DHPLC) and sequence analysis.
  • These results provide evidence that mutations in the NF2 gene play an important role in the development of sporadic meningiomas as well as indicating a different tumorigenesis of these meningioma variants.
  • [MeSH-major] Chromatography, High Pressure Liquid / methods. DNA Mutational Analysis / methods. Meningeal Neoplasms / genetics. Meningioma / genetics. Mutation / genetics. Neurofibromin 2 / genetics
  • [MeSH-minor] Adult. Aged. Base Sequence. Exons / genetics. Female. Frameshift Mutation / genetics. Humans. Male. Middle Aged. Mutation, Missense / genetics. Point Mutation / genetics. Polymerase Chain Reaction. Sequence Deletion / genetics

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  • (PMID = 16786152.001).
  • [ISSN] 1107-3756
  • [Journal-full-title] International journal of molecular medicine
  • [ISO-abbreviation] Int. J. Mol. Med.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Neurofibromin 2
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69. Jayashree P, Puranik R, Kulkarni MH: Cerebral aspergilloma presenting as atypical meningioma in an immunologically competent patient: a case report. Indian J Pathol Microbiol; 2007 Apr;50(2):367-9
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  • [Title] Cerebral aspergilloma presenting as atypical meningioma in an immunologically competent patient: a case report.
  • Computed tomography of brain revealed a large lobulated, extra axial, hyperdense lesion in the right fronto-temporal region extending up to to the right frontal and ethmoidal sinuses, eroding the bone, enhancing homogeneously with contrast, which was suggestive of atypical meningioma.
  • [MeSH-major] Aspergillosis / diagnosis. Brain Neoplasms / diagnosis. Meningioma / diagnosis. Meningitis, Fungal / diagnosis
  • [MeSH-minor] Adult. Diagnosis, Differential. Humans. Immunocompetence. Male. Paranasal Sinus Diseases / diagnosis. Paranasal Sinus Diseases / pathology. Tomography, X-Ray Computed

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  • (PMID = 17883076.001).
  • [ISSN] 0377-4929
  • [Journal-full-title] Indian journal of pathology & microbiology
  • [ISO-abbreviation] Indian J Pathol Microbiol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] India
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70. Cabada T, Caballero MC, Insausti I, Alvarez de Eulate N, Bacaicoa C, Zazpe I, Tuñón T: [The role of diffusion-weighted imaging in the evaluation of meningiomas: radio-pathologic correlation]. Radiologia; 2009 Jul-Aug;51(4):411-9
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  • RESULTS: Of the 30 meningiomas, 22 were World Health Organization (WHO) grade I and 8 were atypical or WHO grade II.
  • The overall mean value of the ADC was 89.19+/-13.95x10(-3) mm2/s; the mean ADC value was 82+/-13.69x10(-3) mm2/s in the atypical group and 92.21+/-13.21x10(-3) mm2/s in the typical group.
  • [MeSH-major] Diffusion Magnetic Resonance Imaging. Meningeal Neoplasms / pathology. Meningeal Neoplasms / radiography. Meningioma / pathology. Meningioma / radiography
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Female. Humans. Male. Middle Aged. Prospective Studies

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  • (PMID = 19552929.001).
  • [ISSN] 0033-8338
  • [Journal-full-title] Radiología
  • [ISO-abbreviation] Radiologia
  • [Language] spa
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Spain
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71. Barresi V, Cerasoli S, Paioli G, Vitarelli E, Giuffrè G, Guiducci G, Tuccari G, Barresi G: Caveolin-1 in meningiomas: expression and clinico-pathological correlations. Acta Neuropathol; 2006 Nov;112(5):617-26
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  • Sixty-two cases, classified as 11 meningothelial (17%), 12 transitional (19%), 5 fibrous (8%), 3 microcystic (5%), 3 secretory (5%), 1 clear cell (2%), 1 chordoid (2%) and 26 (42%) atypical meningiomas, were selected from our pathological files.
  • [MeSH-major] Caveolin 1 / metabolism. Meningeal Neoplasms / metabolism. Meningeal Neoplasms / pathology. Meningioma / metabolism. Meningioma / pathology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Cell Proliferation. Disease Progression. Female. Gene Expression Regulation, Neoplastic. Humans. Kaplan-Meier Estimate. Ki-67 Antigen / metabolism. Male. Middle Aged. Predictive Value of Tests. Prognosis

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  • (PMID = 16850311.001).
  • [ISSN] 0001-6322
  • [Journal-full-title] Acta neuropathologica
  • [ISO-abbreviation] Acta Neuropathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Caveolin 1; 0 / Ki-67 Antigen
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72. Huffmann BC, Reinacher PC, Gilsbach JM: Gamma knife surgery for atypical meningiomas. J Neurosurg; 2005 Jan;102 Suppl:283-6
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  • [Title] Gamma knife surgery for atypical meningiomas.
  • OBJECT: Complete resection is the optimal treatment for atypical meningiomas (AMs) but its feasibility depends on the tumor site.
  • [MeSH-major] Meningeal Neoplasms / surgery. Meningioma / surgery. Radiosurgery / methods
  • [MeSH-minor] Adult. Aged. Female. Follow-Up Studies. Humans. Karnofsky Performance Status. Magnetic Resonance Imaging. Male. Microsurgery / instrumentation. Microsurgery / methods. Middle Aged

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  • (PMID = 15662826.001).
  • [ISSN] 0022-3085
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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73. Nakasu S, Fukami T, Nakajima M, Watanabe K, Ichikawa M, Matsuda M: Growth pattern changes of meningiomas: long-term analysis. Neurosurgery; 2005 May;56(5):946-55; discussion 946-55
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  • RESULTS: The growth curves of four atypical meningiomas fitted better to an exponential curve (R > 0.95).
  • Atypical meningiomas grew exponentially.
  • [MeSH-major] Cell Division / physiology. Meningeal Neoplasms / pathology. Meningioma / pathology
  • [MeSH-minor] Adult. Aged. Female. Follow-Up Studies. Humans. Kinetics. Magnetic Resonance Imaging. Male. Middle Aged. Time Factors. Tomography, X-Ray Computed

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  • (PMID = 15854242.001).
  • [ISSN] 1524-4040
  • [Journal-full-title] Neurosurgery
  • [ISO-abbreviation] Neurosurgery
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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74. Assefa G, Ashenafi S, Munie T: Meningiomas: clinical correlates, skull x-ray, CT and pathological evaluations. Ethiop Med J; 2006 Jul;44(3):263-7
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  • RESULTS: Between December 1999 and July 2004 there were 25 histologically diagnosed cases of meningioma at the Tikur Anbessa Hospital (TAH).
  • Meningothelial meningioma was the commonest cellular type accounting for 11/25 (46%) of the pathologies followed by the transitional 4/25 (16%) and the atypical and psammomatous types, each with equalfrequency, 3/25 (12%).
  • [MeSH-major] Meningeal Neoplasms / diagnosis. Meningioma / diagnosis. Skull / radiography
  • [MeSH-minor] Adult. Female. Humans. Male. Middle Aged. Retrospective Studies. Tomography, X-Ray Computed

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  • (PMID = 17447393.001).
  • [ISSN] 0014-1755
  • [Journal-full-title] Ethiopian medical journal
  • [ISO-abbreviation] Ethiop. Med. J.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Ethiopia
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75. Rieske P, Zakrzewska M, Biernat W, Bartkowiak J, Zimmermann A, Liberski PP: Atypical molecular background of glioblastoma and meningioma developed in a patient with Li-Fraumeni syndrome. J Neurooncol; 2005 Jan;71(1):27-30
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  • [Title] Atypical molecular background of glioblastoma and meningioma developed in a patient with Li-Fraumeni syndrome.
  • We observed three neoplasms with completely different histologies: malignant fibrous histiocytoma (MFH), atypical meningioma (AM), and glioblastoma (GB), developing in a patient with Li-Fraumeni syndrome.
  • [MeSH-major] Germ-Line Mutation. Glioblastoma / genetics. Histiocytoma, Benign Fibrous / genetics. Li-Fraumeni Syndrome / genetics. Meningioma / genetics. Neoplasms, Multiple Primary / genetics. Tumor Suppressor Protein p53 / genetics
  • [MeSH-minor] Adult. Brain Neoplasms / genetics. Brain Neoplasms / therapy. Chromosomes, Human, Pair 1 / genetics. Chromosomes, Human, Pair 22 / genetics. DNA / analysis. Fatal Outcome. Genetic Testing. Humans. Loss of Heterozygosity. Male. Microsatellite Repeats. Skin Neoplasms / genetics. Skin Neoplasms / therapy


76. Bledsoe JM, Link MJ, Stafford SL, Park PJ, Pollock BE: Radiosurgery for large-volume (&gt; 10 cm3) benign meningiomas. J Neurosurg; 2010 May;112(5):951-6
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  • Patients with atypical or malignant meningiomas and those who received prior radiotherapy were excluded.
  • [MeSH-major] Meningioma / pathology. Meningioma / surgery. Radiosurgery / instrumentation. Skull Base Neoplasms / pathology. Skull Base Neoplasms / surgery
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Ataxia / epidemiology. Ataxia / etiology. Cerebral Infarction / epidemiology. Cerebral Infarction / etiology. Female. Follow-Up Studies. Headache / epidemiology. Headache / etiology. Hearing Disorders / epidemiology. Hearing Disorders / etiology. Humans. Male. Middle Aged. Neoplasm Invasiveness. Neoplasm Staging. Retrospective Studies. Supratentorial Neoplasms / pathology. Supratentorial Neoplasms / surgery. Young Adult

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  • [CommentIn] J Neurosurg. 2010 Dec;113(6):1335-6; author reply 1336-7 [20887089.001]
  • (PMID = 19764829.001).
  • [ISSN] 1933-0693
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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77. Hsu CC, Pai CY, Kao HW, Hsueh CJ, Hsu WL, Lo CP: Do aggressive imaging features correlate with advanced histopathological grade in meningiomas? J Clin Neurosci; 2010 May;17(5):584-7
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  • Atypical and malignant meningiomas are more likely to recur than benign meningiomas.
  • We aimed to distinguish atypical and malignant meningiomas from benign meningiomas based on imaging findings.
  • Histopathological grades were assigned as benign and atypical/malignant meningiomas according to the World Health Organization (WHO) classification.
  • There were 59 benign and 16 atypical/malignant meningiomas.
  • Only intratumoral cystic change and extracranial tumor extension through the skull base foramina were more prevalent in atypical/malignant meningiomas (p=0.001).
  • Hence, these two imaging features might be potential markers of atypical/malignant meningiomas.
  • [MeSH-major] Meningeal Neoplasms / pathology. Meningeal Neoplasms / radiography. Meningioma / pathology. Meningioma / radiography
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Chi-Square Distribution. Female. Humans. Image Interpretation, Computer-Assisted. Magnetic Resonance Imaging. Male. Middle Aged. Patient Selection. Severity of Illness Index

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  • (PMID = 20219376.001).
  • [ISSN] 1532-2653
  • [Journal-full-title] Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
  • [ISO-abbreviation] J Clin Neurosci
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Scotland
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78. Nagar VA, Ye JR, Ng WH, Chan YH, Hui F, Lee CK, Lim CC: Diffusion-weighted MR imaging: diagnosing atypical or malignant meningiomas and detecting tumor dedifferentiation. AJNR Am J Neuroradiol; 2008 Jun;29(6):1147-52
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  • [Title] Diffusion-weighted MR imaging: diagnosing atypical or malignant meningiomas and detecting tumor dedifferentiation.
  • BACKGROUND AND PURPOSE: Atypical and malignant meningiomas are uncommon tumors with aggressive behavior and higher mortality, morbidity, and recurrence compared with benign tumors.
  • We investigated the utility of diffusion-weighted (DW) MR imaging to differentiate atypical/malignant from benign meningiomas and to detect histologic dedifferentiation to higher tumor grade.
  • MATERIALS AND METHODS: We retrospectively compared conventional and DW MR images (b-value 1000 s/mm(2)) acquired on a 1.5T clinical scanner between 25 atypical/malignant and 23 benign meningiomas.
  • RESULTS: Irregular tumor margins, peritumoral edema, and adjacent bone destruction occurred significantly more often in atypical/malignant than in benign meningiomas.
  • The mean ADC of atypical/malignant meningiomas (0.66 +/- 0.13 x 10(-3) mm(2)/s) was significantly lower compared with benign meningiomas (0.88 +/- 0.08 x 10(-3) mm(2)/s; P < .0001).
  • Mean NADC ratio in the atypical/malignant group (0.91 +/- 0.18) was also significantly lower than the benign group (1.28 +/- 0.11; P < .0001), without overlap between groups.
  • Two patients had isointense benign tumors on initial DW MR imaging, and these became hyperintense with the decrease in ADC and NADC below these thresholds when they progressed to atypical and malignant meningiomas on recurrence.
  • CONCLUSIONS: ADC and NADC ratios in atypical/malignant meningiomas are significantly lower than in benign tumors.
  • [MeSH-major] Diffusion Magnetic Resonance Imaging / methods. Image Interpretation, Computer-Assisted / methods. Meningeal Neoplasms / diagnosis. Meningioma / diagnosis
  • [MeSH-minor] Adult. Cell Dedifferentiation. Female. Humans. Male. Reproducibility of Results. Sensitivity and Specificity

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  • [CommentIn] AJNR Am J Neuroradiol. 2009 Feb;30(2):E21 [19193747.001]
  • (PMID = 18356472.001).
  • [ISSN] 1936-959X
  • [Journal-full-title] AJNR. American journal of neuroradiology
  • [ISO-abbreviation] AJNR Am J Neuroradiol
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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79. Rushing EJ, Bouffard JP, McCall S, Olsen C, Mena H, Sandberg GD, Thompson LD: Primary extracranial meningiomas: an analysis of 146 cases. Head Neck Pathol; 2009 Jun;3(2):116-30
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  • Histologically, the majority of tumors were meningothelial (77.4%), followed by atypical (7.5%), psammomatous (4.1%) and anaplastic (2.7%).
  • [MeSH-major] Meningioma / pathology
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / analysis. Child. Child, Preschool. Female. Humans. Immunohistochemistry. Infant. Kaplan-Meier Estimate. Male. Middle Aged. Neoplasm Recurrence, Local / epidemiology. Neoplasm Recurrence, Local / mortality. Neoplasm Recurrence, Local / pathology. Prognosis. Young Adult

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  • (PMID = 19644540.001).
  • [ISSN] 1936-0568
  • [Journal-full-title] Head and neck pathology
  • [ISO-abbreviation] Head Neck Pathol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
  • [Keywords] NOTNLM ; Extracranial / Immunohistochemistry / Meningioma / Prognosis / Radiation / WHO classification
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80. Ghosal N, Furtado SV, Santosh V, Sridhar M, Hegde AS: Co-existing fibrous dysplasia and atypical lymphoplasmacyte-rich meningioma. Neuropathology; 2007 Jun;27(3):269-72
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  • [Title] Co-existing fibrous dysplasia and atypical lymphoplasmacyte-rich meningioma.
  • We report an unusual and extremely rare case of coexisting fibrous dysplasia of the sphenoid sinus with atypical lymphoplasmacyte rich meningioma (World Health Organization Grade II), right frontal lobe in a 25-year-old male.
  • [MeSH-major] Fibrous Dysplasia, Monostotic / complications. Fibrous Dysplasia, Monostotic / pathology. Meningeal Neoplasms / complications. Meningeal Neoplasms / pathology. Meningioma / complications. Meningioma / pathology
  • [MeSH-minor] Adult. Humans. Magnetic Resonance Imaging. Male. Sphenoid Bone / pathology. Sphenoid Sinus / pathology

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  • (PMID = 17645241.001).
  • [ISSN] 0919-6544
  • [Journal-full-title] Neuropathology : official journal of the Japanese Society of Neuropathology
  • [ISO-abbreviation] Neuropathology
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Australia
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81. Maes L, Kalala JP, Cornelissen R, de Ridder L: Telomerase activity and hTERT protein expression in meningiomas: an analysis in vivo versus in vitro. Anticancer Res; 2006 May-Jun;26(3B):2295-300
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  • The aim of this study was to evaluate telomerase activity and its reverse transcriptase for 33 (30 typical and three atypical) meningiomas in vivo and in vitro.
  • RESULTS: In vivo, telomerase activity was detectable in one out of 30 typical meningiomas and in two out of three atypical meningiomas. hTERT protein expression in vivo was positive in 14 out of 33 (42%) cases.
  • [MeSH-major] DNA-Binding Proteins / biosynthesis. Meningeal Neoplasms / metabolism. Meningioma / metabolism. Telomerase / metabolism
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Female. Humans. Immunohistochemistry. Male. Middle Aged. Tumor Cells, Cultured

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  • (PMID = 16821605.001).
  • [ISSN] 0250-7005
  • [Journal-full-title] Anticancer research
  • [ISO-abbreviation] Anticancer Res.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / DNA-Binding Proteins; EC 2.7.7.49 / Telomerase
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82. Jung TY, Jung S, Shin SR, Moon KS, Kim IY, Park SJ, Kang SS, Kim SH: Clinical and histopathological analysis of cystic meningiomas. J Clin Neurosci; 2005 Aug;12(6):651-5
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  • Between 1993 and 2003, we treated 21 patients with cystic meningioma (of 365 with meningioma, 5.5%).
  • There were five atypical and 16 benign meningiomas on histopathology.
  • [MeSH-major] Cysts / pathology. Meningeal Neoplasms / pathology. Meningioma / pathology
  • [MeSH-minor] Adult. Aged. Female. Humans. Magnetic Resonance Imaging / methods. Male. Middle Aged. Retrospective Studies. Tomography, X-Ray Computed / methods

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  • (PMID = 16098756.001).
  • [ISSN] 0967-5868
  • [Journal-full-title] Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
  • [ISO-abbreviation] J Clin Neurosci
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] Scotland
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83. Hope AJ, Mansur DB, Tu PH, Simpson JR: Metachronous secondary atypical meningioma and anaplastic astrocytoma after postoperative craniospinal irradiation for medulloblastoma. Childs Nerv Syst; 2006 Sep;22(9):1201-7
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  • [Title] Metachronous secondary atypical meningioma and anaplastic astrocytoma after postoperative craniospinal irradiation for medulloblastoma.
  • DISCUSSION: In this study, we report the case of a 15-year-old boy treated for medulloblastoma with surgery and craniospinal radiotherapy, who developed a meningioma 18 years after initial treatment and subsequently an anaplastic astrocytoma 23 years after primary treatment.
  • The meningioma was resected without complications.
  • [MeSH-major] Astrocytoma / diagnosis. Cerebellar Neoplasms / radiotherapy. Cranial Irradiation / adverse effects. Medulloblastoma / radiotherapy. Meningeal Neoplasms / diagnosis. Meningioma / diagnosis. Neoplasms, Radiation-Induced / diagnosis. Neoplasms, Second Primary / diagnosis
  • [MeSH-minor] Adolescent. Adult. Antineoplastic Combined Chemotherapy Protocols / therapeutic use. Biopsy. Chemotherapy, Adjuvant. Combined Modality Therapy. Follow-Up Studies. Humans. Magnetic Resonance Imaging. Male. Radiotherapy Dosage. Radiotherapy, Adjuvant. Reoperation. Tomography, X-Ray Computed

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  • (PMID = 16570196.001).
  • [ISSN] 0256-7040
  • [Journal-full-title] Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
  • [ISO-abbreviation] Childs Nerv Syst
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] Germany
  • [Number-of-references] 40
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84. Nakane Y, Natsume A, Wakabayashi T, Oi S, Ito M, Inao S, Saito K, Yoshida J: Malignant transformation-related genes in meningiomas: allelic loss on 1p36 and methylation status of p73 and RASSF1A. J Neurosurg; 2007 Aug;107(2):398-404
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  • The aim of this study was to identify genes related to meningioma progression from the benign state to the atypical and anaplastic states by examining 1p LOH and the promoter methylation of RASSF1A and p73.
  • METHODS: The authors studied 40 surgical specimens (22 WHO Grade I, 11 Grade II, and seven Grade III) obtained in 37 patients with meningioma.
  • CONCLUSIONS: Based on the hypothesis that meningiomas cumulatively acquire genetic alterations and thus progress from the benign to the atypical and anaplastic states, genetic alterations in the methylation status of p73 or RASSF1A along with 1p LOH may result in the malignant transformation of a meningioma.
  • [MeSH-major] Chromosomes, Human, Pair 1 / genetics. DNA-Binding Proteins / genetics. Loss of Heterozygosity / genetics. Meningeal Neoplasms / genetics. Meningioma / genetics. Nuclear Proteins / genetics. Tumor Suppressor Proteins / genetics
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Cell Transformation, Neoplastic / genetics. DNA Methylation. Female. Humans. Male. Middle Aged

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  • (PMID = 17695396.001).
  • [ISSN] 0022-3085
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / DNA-Binding Proteins; 0 / Nuclear Proteins; 0 / RASSF1 protein, human; 0 / Tumor Suppressor Proteins; 0 / tumor suppressor protein p73
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85. Molina Fábrega R, Martínez Martínez JC, La Parra Casado C, Montoliu Fornás G: [Lipomatous meningioma: an atypical presentation of meningioma]. Radiologia; 2008 Jul-Aug;50(4):345-6
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  • [Title] [Lipomatous meningioma: an atypical presentation of meningioma].
  • [Transliterated title] Meningioma lipomatoso: una forma de presentación atípica de los meningiomas.
  • [MeSH-major] Magnetic Resonance Imaging. Meningeal Neoplasms / diagnosis. Meningioma / diagnosis. Tomography, X-Ray Computed
  • [MeSH-minor] Adult. Female. Humans. Lipoma / pathology

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  • (PMID = 18783666.001).
  • [ISSN] 0033-8338
  • [Journal-full-title] Radiología
  • [ISO-abbreviation] Radiologia
  • [Language] spa
  • [Publication-type] Case Reports; Letter
  • [Publication-country] Spain
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86. Pollock BE, Stafford SL: Results of stereotactic radiosurgery for patients with imaging defined cavernous sinus meningiomas. Int J Radiat Oncol Biol Phys; 2005 Aug 1;62(5):1427-31
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  • CONCLUSIONS: Radiosurgery was an effective primary management strategy for patients with an imaging defined cavernous sinus meningioma.
  • Except in situations of symptomatic mass effect, unusual clinical presentation, or atypical imaging features, surgery to confirm the histologic diagnosis is unlikely to provide clinical benefit.
  • [MeSH-major] Meningeal Neoplasms / surgery. Meningioma / surgery. Radiosurgery
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Analysis of Variance. Carotid Artery Thrombosis / etiology. Cavernous Sinus. Diplopia / surgery. Female. Humans. Male. Middle Aged. Radiotherapy Dosage. Trigeminal Nerve Diseases / etiology

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  • (PMID = 16029803.001).
  • [ISSN] 0360-3016
  • [Journal-full-title] International journal of radiation oncology, biology, physics
  • [ISO-abbreviation] Int. J. Radiat. Oncol. Biol. Phys.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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87. Nayar VV, DeMonte F, Yoshor D, Blacklock JB, Sawaya R: Surgical approaches to meningiomas of the lateral ventricles. Clin Neurol Neurosurg; 2010 Jun;112(5):400-5
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  • Pathology was benign in 12 of 13 cases; atypical features were identified in one case.
  • [MeSH-major] Cerebral Ventricle Neoplasms / pathology. Cerebral Ventricle Neoplasms / surgery. Lateral Ventricles / pathology. Lateral Ventricles / surgery. Meningioma / pathology. Meningioma / surgery. Neurosurgical Procedures / methods
  • [MeSH-minor] Adolescent. Adult. Aphasia / epidemiology. Aphasia / etiology. Cerebral Angiography / methods. Female. Humans. Male. Middle Aged. Perceptual Disorders / epidemiology. Perceptual Disorders / etiology. Postoperative Complications. Preoperative Care. Recovery of Function. Stereotaxic Techniques. Surgery, Computer-Assisted. Treatment Outcome. Young Adult

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  • [Copyright] Copyright 2010 Elsevier B.V. All rights reserved.
  • (PMID = 20197209.001).
  • [ISSN] 1872-6968
  • [Journal-full-title] Clinical neurology and neurosurgery
  • [ISO-abbreviation] Clin Neurol Neurosurg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Netherlands
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88. Combs SE, Hartmann C, Nikoghosyan A, Jäkel O, Karger CP, Haberer T, von Deimling A, Münter MW, Huber PE, Debus J, Schulz-Ertner D: Carbon ion radiation therapy for high-risk meningiomas. Radiother Oncol; 2010 Apr;95(1):54-9
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  • CONCLUSION: In conclusion, carbon ion radiation shows promising results in patients with atypical or anaplastic meningiomas.
  • [MeSH-major] Carbon. Heavy Ions / therapeutic use. Meningeal Neoplasms / radiotherapy. Meningioma / radiotherapy
  • [MeSH-minor] Adult. Aged. Female. Humans. Male. Middle Aged. Photons / therapeutic use. Radiotherapy, Intensity-Modulated. Risk

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  • [Copyright] Copyright 2010 Elsevier Ireland Ltd. All rights reserved.
  • (PMID = 20189258.001).
  • [ISSN] 1879-0887
  • [Journal-full-title] Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology
  • [ISO-abbreviation] Radiother Oncol
  • [Language] eng
  • [Publication-type] Clinical Trial, Phase I; Clinical Trial, Phase II; Journal Article
  • [Publication-country] Ireland
  • [Chemical-registry-number] 7440-44-0 / Carbon
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89. Grill J, Lamfers ML, van Beusechem VW, van der Valk P, Huisman A, Sminia P, Alemany R, Curiel DT, Vandertop WP, Gerritsen WR, Dirven CM: Oncolytic virotherapy of meningiomas in vitro with replication-competent adenovirus. Neurosurgery; 2005;56(1):146-53; discussion 153-4
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • METHODS: Primary meningioma cells and organotypic spheroids were cultured from tumor biopsies of 12 consecutive unselected patients.
  • Four different Ads were constructed and tested on meningioma cells and spheroids: a replication-deficient Ad encoding the luciferase marker gene (Ad.Luc), a replication-competent Ad with complete E1 region (Ad.E1+), a replication-competent Ad encoding the luciferase gene in the E3 region (Ad.E1Luc), and a conditionally replicating Ad with an E1ACR2 deletion (Ad.d24).
  • Their oncolytic activity was compared in primary meningioma cells and spheroids by use of viability and outgrowth assays.
  • RESULTS: Adenoviral penetration into organotypic meningioma spheroids was detected with the replication-competent Ad.E1Luc, whereas infection with the replication-deficient Ad.Luc was limited to the outer layer of the spheroid.
  • Replication of the Ads and oncolysis was demonstrated in primary cell cultures of meningioma cells at high dose, i.e., greater than 50 plaque-forming units per cell.
  • At a lower dose of 5 plaque-forming units per cell, Ad.d24 kills meningioma cells more efficiently than Ad.E1+.
  • Infection of organotypic meningioma spheroids with Ad.d24 resulted in decreased viability and suppression of outgrowth as compared with untreated control spheroids.
  • CONCLUSION: Infection of meningioma cells and spheroids with replication-competent Ads results in efficient oncolysis.
  • The Ad modified to replicate selectively in retinoblast-mutant cells, Ad.d24, seemed to be an efficient oncolytic agent in benign, atypical, and malignant meningiomas.
  • [MeSH-major] Meningioma / therapy. Oncolytic Virotherapy
  • [MeSH-minor] Adenoviridae / physiology. Adult. Aged. Cells, Cultured. Humans. Middle Aged. Virus Replication

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  • (PMID = 15617597.001).
  • [ISSN] 1524-4040
  • [Journal-full-title] Neurosurgery
  • [ISO-abbreviation] Neurosurgery
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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90. Hasegawa T, Kida Y, Yoshimoto M, Koike J, Iizuka H, Ishii D: Long-term outcomes of Gamma Knife surgery for cavernous sinus meningioma. J Neurosurg; 2007 Oct;107(4):745-51
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Long-term outcomes of Gamma Knife surgery for cavernous sinus meningioma.
  • METHODS: One hundred fifteen patients with cavernous sinus meningiomas, excluding atypical or malignant meningiomas, were treated with GKS between 1991 and 2003.
  • [MeSH-major] Cavernous Sinus / surgery. Meningeal Neoplasms / surgery. Meningioma / surgery. Radiosurgery
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Female. Follow-Up Studies. Humans. Magnetic Resonance Imaging. Male. Middle Aged. Morbidity. Prognosis. Radiation Dosage. Survival Rate. Time Factors. Treatment Outcome

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  • (PMID = 17937218.001).
  • [ISSN] 0022-3085
  • [Journal-full-title] Journal of neurosurgery
  • [ISO-abbreviation] J. Neurosurg.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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91. Toh CH, Castillo M, Wong AM, Wei KC, Wong HF, Ng SH, Wan YL: Differentiation between classic and atypical meningiomas with use of diffusion tensor imaging. AJNR Am J Neuroradiol; 2008 Oct;29(9):1630-5
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  • [Title] Differentiation between classic and atypical meningiomas with use of diffusion tensor imaging.
  • BACKGROUND AND PURPOSE: The differentiation between classic and atypical meningiomas may have implications in preoperative planning but may not be possible on the basis of conventional MR imaging.
  • Our hypothesis was that classic and atypical meningiomas have different patterns of intratumoral water diffusion that will allow for differentiation between them.
  • MATERIALS AND METHODS: Preoperative diffusion tensor imaging (DTI) was performed in 12 classic and 12 atypical meningiomas.
  • Differences between classic and atypical meningiomas in tumor signal intensity, intratumoral and peritumoral tensor metrics, as well as tensor shapes distribution were statistically analyzed.
  • RESULTS: A significantly greater proportion of atypical meningiomas were isointense and hypointense on ADC maps (P = .007).
  • There was significantly more spherical diffusion in classic than in atypical meningiomas (P = .020).
  • CONCLUSION: DTI showed that intratumoral microscopic water motion is less organized in classic than in atypical meningiomas.
  • This feature may allow for noninvasive differentiation between classic and atypical meningiomas.
  • [MeSH-major] Diffusion Magnetic Resonance Imaging. Image Processing, Computer-Assisted. Magnetic Resonance Imaging. Meningeal Neoplasms / diagnosis. Meningioma / diagnosis
  • [MeSH-minor] Adult. Aged. Anisotropy. Brain Edema / classification. Brain Edema / diagnosis. Brain Edema / pathology. Brain Edema / surgery. Diagnosis, Differential. Extracellular Fluid / metabolism. Female. Humans. Male. Meninges / pathology. Middle Aged. Mitotic Index. Necrosis

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  • (PMID = 18583409.001).
  • [ISSN] 1936-959X
  • [Journal-full-title] AJNR. American journal of neuroradiology
  • [ISO-abbreviation] AJNR Am J Neuroradiol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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92. Takei H, Bhattacharjee MB, Rivera A, Dancer Y, Powell SZ: New immunohistochemical markers in the evaluation of central nervous system tumors: a review of 7 selected adult and pediatric brain tumors. Arch Pathol Lab Med; 2007 Feb;131(2):234-41
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  • [Title] New immunohistochemical markers in the evaluation of central nervous system tumors: a review of 7 selected adult and pediatric brain tumors.
  • We discuss (1) placental alkaline phosphatase, c-Kit, and OCT4 for germinoma, (2) alpha-inhibin and D2-40 for capillary hemangioblastoma, (3) phosphohistone-H3 (PHH3), MIB-1/Ki-67, and claudin-1 for meningioma, (4) PHH3, MIB-1/Ki-67, and p53 for astrocytoma, (5) synaptophysin, microtubule-associated protein 2, neurofilament protein, and neuronal nuclei for medulloblastoma, (6) INI1 for atypical teratoid/rhabdoid tumor, and (7) epithelial membrane antigen for ependymoma.
  • [MeSH-minor] Adult. Antibodies. Astrocytoma / diagnosis. Astrocytoma / metabolism. Child. Diagnosis, Differential. Ependymoma / diagnosis. Ependymoma / metabolism. Germinoma / diagnosis. Germinoma / metabolism. Hemangioblastoma / diagnosis. Hemangioblastoma / metabolism. Humans. Medulloblastoma / diagnosis. Medulloblastoma / metabolism. Meningioma / diagnosis. Meningioma / metabolism. Rhabdoid Tumor / diagnosis. Rhabdoid Tumor / metabolism

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  • (PMID = 17284108.001).
  • [ISSN] 1543-2165
  • [Journal-full-title] Archives of pathology & laboratory medicine
  • [ISO-abbreviation] Arch. Pathol. Lab. Med.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antibodies; 0 / Biomarkers, Tumor
  • [Number-of-references] 96
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93. Fèvre-Montange M, Champier J, Durand A, Wierinckx A, Honnorat J, Guyotat J, Jouvet A: Microarray gene expression profiling in meningiomas: differential expression according to grade or histopathological subtype. Int J Oncol; 2009 Dec;35(6):1395-407
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  • They are classified into the three World Health Organization grades: benign, atypical and anaplastic meningiomas.
  • Unsupervised hierarchical clustering classified the meningiomas into groups A, B and C, which corresponded to the three grades except for 3 benign meningiomas with higher proliferation indexes and/or recurrence, included in the atypical group.
  • This microarray-based expression profiling study revealed candidate genes and pathways that may contribute to a better understanding of the recurrence of a benign meningioma.
  • [MeSH-major] Gene Expression Profiling. Meningeal Neoplasms / genetics. Meningeal Neoplasms / pathology. Meningioma / genetics. Meningioma / pathology
  • [MeSH-minor] Adult. Aged. Female. Gene Expression. Humans. Male. Middle Aged. Oligonucleotide Array Sequence Analysis. Reverse Transcriptase Polymerase Chain Reaction


94. Hu SL, Li F, Hu R, Cui G, Meng H, Feng H: Atypical histopathologic type of cystic meningioma. Acta Neurochir (Wien); 2010 Jan;152(1):105-9
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  • [Title] Atypical histopathologic type of cystic meningioma.
  • The authors report a 21-year-old male with an atypical cystic meningioma in the right parietal area.
  • The authors review the literature about incidence, locations, MRI features, cyst type, and intraoperative managements of atypical cystic meningiomas.
  • [MeSH-major] Cysts / diagnosis. Magnetic Resonance Imaging. Meningeal Neoplasms / diagnosis. Meningioma / diagnosis. Tomography, X-Ray Computed
  • [MeSH-minor] Gadolinium. Humans. Immunohistochemistry. Male. Necrosis. Neurosurgical Procedures. Young Adult

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  • (PMID = 19693432.001).
  • [ISSN] 0942-0940
  • [Journal-full-title] Acta neurochirurgica
  • [ISO-abbreviation] Acta Neurochir (Wien)
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] Austria
  • [Chemical-registry-number] AU0V1LM3JT / Gadolinium
  • [Number-of-references] 19
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95. Toktas ZO, Akgun E, Ozkan A, Bozkurt SU, Bekiroglu N, Seker A, Konya D, Kilic T: Relationship of angiogenic potential with clinical features in cranial meningiomas: a corneal angiogenesis study. Neurosurgery; 2010 Dec;67(6):1724-32; discussion 1732
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • METHODS: Fifteen WHO grade I (typical), 10 WHO grade II (atypical), and 5 WHO grade III (malignant) meningioma samples were implanted in the micropockets formed on rat corneas, and the number of developed vessels were counted on days 5, 10, 15, and 20.
  • [MeSH-major] Corneal Neovascularization / etiology. Corneal Neovascularization / pathology. Meningeal Neoplasms / complications. Meningioma / complications
  • [MeSH-minor] Adult. Animals. Brain Edema / etiology. Disease Models, Animal. Follow-Up Studies. Humans. Magnetic Resonance Imaging. Male. Middle Aged. Neoplasm Recurrence, Local. Rats. Rats, Sprague-Dawley. Retrospective Studies. Time Factors. Tissue Transplantation / methods. World Health Organization

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  • (PMID = 21107204.001).
  • [ISSN] 1524-4040
  • [Journal-full-title] Neurosurgery
  • [ISO-abbreviation] Neurosurgery
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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96. Jeibmann A, Hasselblatt M, Gerss J, Wrede B, Egensperger R, Beschorner R, Hans VH, Rickert CH, Wolff JE, Paulus W: Prognostic implications of atypical histologic features in choroid plexus papilloma. J Neuropathol Exp Neurol; 2006 Nov;65(11):1069-73
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Prognostic implications of atypical histologic features in choroid plexus papilloma.
  • The prognostic significance of atypical histologic features in choroid plexus tumors remains uncertain.
  • Therefore, a series of 164 choroid plexus tumors was evaluated for the presence of atypical histologic features, including mitotic activity, increased cellularity, nuclear pleomorphism, blurring of papillary growth pattern, and necrosis.
  • Of 124 choroid plexus papillomas that had not received adjuvant treatment, 46 tumors (37%) displayed at least one atypical feature, including increased cellularity (n = 25 [20%]), mitotic activity (> or =2 mitoses per 10 high-power fields; n = 19 [15%]), nuclear pleomorphism (n = 16 [13%]), solid growth (n = 15 [12%]), and necrosis (n = 5 [4%]).
  • Because mitotic activity is the sole atypical histologic feature independently associated with recurrence, we propose to define atypical choroid plexus papilloma by mitotic activity (> or =2 mitoses per 10 high-power fields) corresponding to World Health Organization grade II, thus adjoining other intermediate tumor entities associated with increased mitotic activity such as atypical meningioma.
  • Close follow up of patients harboring atypical choroid plexus papillomas may be warranted.
  • [MeSH-minor] Adult. Child. Child, Preschool. Disease-Free Survival. Female. History, 15th Century. Humans. Infant. Male. Mitotic Index. Necrosis / pathology. Neoplasm Recurrence, Local / pathology. Prognosis. Survival Analysis. World Health Organization

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  • (PMID = 17086103.001).
  • [ISSN] 0022-3069
  • [Journal-full-title] Journal of neuropathology and experimental neurology
  • [ISO-abbreviation] J. Neuropathol. Exp. Neurol.
  • [Language] eng
  • [Publication-type] Historical Article; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
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97. Mattei TA, Mattei JA, Ramina R, Aguiar PH, Plese JP, Marino Jr R: Edema and malignancy in meningiomas. Clinics (Sao Paulo); 2005 Jun;60(3):201-6
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • Histological classification was: benign meningioma--43 cases; atypical meningiomas--11 cases; malignant meningioma--1 case.
  • CONCLUSIONS: These results suggest that the degree of edema as revealed by computer tomography and magnetic resonance imaging can be an important clinical predictive factor for the histological grade of the meningioma.
  • [MeSH-major] Brain Edema / pathology. Meningeal Neoplasms / pathology. Meningioma / pathology
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Child. Female. Humans. Magnetic Resonance Imaging. Male. Middle Aged. Neoplasm Staging. Severity of Illness Index. Tomography, X-Ray Computed

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  • (PMID = 15962080.001).
  • [ISSN] 1807-5932
  • [Journal-full-title] Clinics (São Paulo, Brazil)
  • [ISO-abbreviation] Clinics (Sao Paulo)
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Brazil
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98. Hatiboglu MA, Cosar M, Iplikcioglu AC, Ozcan D: Sex steroid and epidermal growth factor profile of giant meningiomas associated with pregnancy. Surg Neurol; 2008 Apr;69(4):356-62; discussion 362-3
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • BACKGROUND: An association between meningioma, breast cancer, and increased growth of meningiomas during pregnancy, and the luteal phase of the menstrual cycle have been shown in previous reports, but the mechanisms still remain unclear.
  • METHODS: We described 3 patients with meningioma who presented during the early postpartum period.
  • RESULTS: Pathologic studies of tumor specimens revealed atypical meningioma (grade 2), syncytial meningioma (grade 1), and transitional-psammomatous meningioma (grade 1), for cases 1, 2, and 3, respectively.
  • CONCLUSIONS: Although many reports indicating an association between meningioma and pregnancy have been published, the number of immunohistochemical studies is limited.
  • [MeSH-major] Ki-67 Antigen / metabolism. Meningeal Neoplasms / metabolism. Meningioma / metabolism. Puerperal Disorders / metabolism. Receptor, Epidermal Growth Factor / metabolism. Receptors, Steroid / metabolism
  • [MeSH-minor] Adult. Female. Humans

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  • (PMID = 17707480.001).
  • [ISSN] 0090-3019
  • [Journal-full-title] Surgical neurology
  • [ISO-abbreviation] Surg Neurol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Ki-67 Antigen; 0 / Receptors, Steroid; EC 2.7.10.1 / Receptor, Epidermal Growth Factor
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99. Loussouarn D, Brunon J, Avet-Loiseau H, Campone M, Mosnier JF: Prognostic value of HER2 expression in meningiomas: an immunohistochemical and fluorescence in situ hybridization study. Hum Pathol; 2006 Apr;37(4):415-21
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • The study included 15 atypical meningiomas, 3 anaplastic meningiomas, and 17 classic meningiomas.
  • Five atypical/anaplastic meningiomas and 5 classic meningiomas of the whole 35 (28.5%) meningiomas expressed HER2 protein.
  • [MeSH-major] Meningeal Neoplasms / pathology. Meningioma / pathology. Receptor, ErbB-2 / genetics
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Biomarkers, Tumor. Female. Gene Amplification. Gene Expression Regulation, Neoplastic. Humans. Immunoenzyme Techniques. In Situ Hybridization, Fluorescence. Male. Middle Aged. Neoplasm Recurrence, Local. Prognosis

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  • (PMID = 16564915.001).
  • [ISSN] 0046-8177
  • [Journal-full-title] Human pathology
  • [ISO-abbreviation] Hum. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; EC 2.7.10.1 / Receptor, ErbB-2
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100. Willis J, Smith C, Ironside JW, Erridge S, Whittle IR, Everington D: The accuracy of meningioma grading: a 10-year retrospective audit. Neuropathol Appl Neurobiol; 2005 Apr;31(2):141-9
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] The accuracy of meningioma grading: a 10-year retrospective audit.
  • Although descriptive classifications of meningioma subtypes are well established, there has been inconsistency in the categorization of meningiomas into benign, atypical and anaplastic groups.
  • The aim of this study was to reassess the incidence of atypical (grade II) meningiomas over a 10-year period by applying the World Health Organization (WHO) 2000 classification system.
  • Atypical meningiomas are diagnosed more frequently under the current WHO classification system than they were under the previous classification systems.
  • [MeSH-major] Meningeal Neoplasms / classification. Meningeal Neoplasms / pathology. Meningioma / classification. Meningioma / pathology
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Child. Female. Humans. Male. Middle Aged. Reproducibility of Results. Retrospective Studies. World Health Organization

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  • (PMID = 15771707.001).
  • [ISSN] 0305-1846
  • [Journal-full-title] Neuropathology and applied neurobiology
  • [ISO-abbreviation] Neuropathol. Appl. Neurobiol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
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