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1. Miyamoto H, Molena DA, Schoeniger LO, Haodong Xu: Solitary fibrous tumor of the pancreas: a case report. Int J Surg Pathol; 2007 Jul;15(3):311-4
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  • [Title] Solitary fibrous tumor of the pancreas: a case report.
  • Solitary fibrous tumor (SFT) is an unusual mesenchymal neoplasm that most often arises in the pleura; however, it has recently been described in a number of extrapleural sites.
  • This report describes an extremely rare case of a benign SFT arising in the pancreas.
  • An endocrine tumor was clinically suspected.
  • Microscopically, the tumor was composed of bland uniform spindle cells arranged between collagen bundles.
  • On immunohistochemical studies, these spindle cells were positive for CD34 and bcl-2 but negative for cytokeratin (AE1+AE3 and Cam5.2), smooth muscle actin, desmin, S-100, and c-kit.

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  • (PMID = 17652547.001).
  • [ISSN] 1066-8969
  • [Journal-full-title] International journal of surgical pathology
  • [ISO-abbreviation] Int. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD34; 0 / Proto-Oncogene Proteins c-bcl-2
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2. Danielson LS, Menendez S, Attolini CS, Guijarro MV, Bisogna M, Wei J, Socci ND, Levine DA, Michor F, Hernando E: A differentiation-based microRNA signature identifies leiomyosarcoma as a mesenchymal stem cell-related malignancy. Am J Pathol; 2010 Aug;177(2):908-17
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  • Smooth muscle (SM) is a spontaneously contractile tissue that provides physical support and function to organs such as the uterus.
  • Uterine smooth muscle-related neoplasia comprise common well-differentiated benign lesions called leiomyomas (ULM), and rare, highly aggressive and pleomorphic tumors named leiomyosarcomas (ULMS).
  • MicroRNAs (miRNAs) are small non-coding RNAs that play essential roles in normal cellular development and tissue homeostasis that can be used to accurately subclassify different tumor types.
  • Here, we demonstrate that miRNAs are required for full smooth muscle cell (SMC) differentiation of bone marrow-derived human mesenchymal stem cells (hMSCs).
  • Moreover, we show that this signature, along with miRNA profiles for ULMS and ULM, are able to subclassify tumors of smooth muscle origin along SM differentiation.

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  • (PMID = 20558575.001).
  • [ISSN] 1525-2191
  • [Journal-full-title] The American journal of pathology
  • [ISO-abbreviation] Am. J. Pathol.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / R01 CA138234; United States / NCRR NIH HHS / RR / UL1 RR025741; United States / NCI NIH HHS / CA / R01CA138234
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / MicroRNAs
  • [Other-IDs] NLM/ PMC2913343
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3. Wei T, Geiser AG, Qian HR, Su C, Helvering LM, Kulkarini NH, Shou J, N'Cho M, Bryant HU, Onyia JE: DNA microarray data integration by ortholog gene analysis reveals potential molecular mechanisms of estrogen-dependent growth of human uterine fibroids. BMC Womens Health; 2007;7:5
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  • BACKGROUND: Uterine fibroids or leiomyoma are a common benign smooth muscle tumor.
  • The tumor growth is well known to be estrogen-dependent.
  • Functional and pathway analyses of the twelve genes suggested multiple molecular mechanisms for estrogen-dependent cell survival and tumor growth.
  • [MeSH-minor] Animals. Databases, Genetic. Female. Humans. Myometrium / metabolism. Oligonucleotide Array Sequence Analysis. Rats. Signal Transduction. Tumor Cells, Cultured. Uterus / metabolism

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  • (PMID = 17407572.001).
  • [ISSN] 1472-6874
  • [Journal-full-title] BMC women's health
  • [ISO-abbreviation] BMC Womens Health
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Estrogens
  • [Other-IDs] NLM/ PMC1852551
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4. Shiomori T, Udaka T, Tokui N, Morio T, Ohbuchi T, Suzuki H: Giant myoepithelioma of the upper lip. Acta Otolaryngol; 2005 Aug;125(8):894-8
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • Myoepithelioma is a relatively rare form of salivary gland tumor composed entirely of myoepithelial cells.
  • This tumor was formerly considered to be a subtype of pleomorphic adenoma; however, in the latest World Health Organization classification of 1991 it is listed as an independent entity.
  • CT and MRI revealed a 50 x 40 mm(2) well-defined ovoid tumor.
  • A benign minor salivary gland tumor was clinically suspected, and the patient underwent complete resection of the tumor under general anesthesia.
  • The tumor was histopathologically diagnosed as a benign myoepithelioma of the minor salivary gland.
  • Immunohistochemically, the tumor cells were positive for vimentin, cytokeratins, alpha-smooth muscle actin and S-100 protein, confirming the morphological diagnosis of myoepithelioma.

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  • (PMID = 16099771.001).
  • [ISSN] 0001-6489
  • [Journal-full-title] Acta oto-laryngologica
  • [ISO-abbreviation] Acta Otolaryngol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Norway
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5. Azevedo Rde S, Pires FR, Della Coletta R, de Almeida OP, Kowalski LP, Lopes MA: Oral myofibromas: report of two cases and review of clinical and histopathologic differential diagnosis. Oral Surg Oral Med Oral Pathol Oral Radiol Endod; 2008 Jun;105(6):e35-40
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  • Myofibroma is a benign mesenchymal neoplasm composed of myofibroblasts which has been described with different synonyms since the first report in 1951.
  • Differential diagnosis included benign and malignant mesenchymal neoplasms, salivary gland tumors, and reactive processes.
  • Microscopic analysis of both lesions revealed a spindle cell tumor with immunoreactivity for vimentin, muscle-specific actin, and specific smooth muscle isoform alpha-actin, rendering the diagnoses of myofibroma.
  • Myofibroma presents a wide range of differential diagnosis, including benign and malignant neoplasms.

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  • (PMID = 18417385.001).
  • [ISSN] 1528-395X
  • [Journal-full-title] Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics
  • [ISO-abbreviation] Oral Surg Oral Med Oral Pathol Oral Radiol Endod
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Actins; 0 / Vimentin
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6. Kim HJ, Kim CH, Choi YJ, Ayala AG, Amirikachi M, Ro JY: Juxtaglomerular cell tumor of kidney with CD34 and CD117 immunoreactivity: report of 5 cases. Arch Pathol Lab Med; 2006 May;130(5):707-11
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Juxtaglomerular cell tumor of kidney with CD34 and CD117 immunoreactivity: report of 5 cases.
  • CONTEXT: Juxtaglomerular cell tumor is a rare renal neoplasm.
  • Renin immunohistochemistry and electron microscopic documentation of rhomboid crystals are the primary methods of diagnosing this benign tumor.
  • OBJECTIVES: In this retrospective study, we evaluated the morphologic, immunohistochemical, and ultrastructural features of 5 cases of juxtaglomerular cell tumor to determine the effectiveness of CD34 and CD117 immunohistochemistry for the diagnosis of this tumor.
  • On light microscopic examination, we found solid sheets and nests of tumor cells with oval-to-round nuclei and eosinophilic cytoplasm.
  • Immunohistochemistry results were as follows: vimentin (positive), renin (weakly positive), smooth muscle actin (focal immunoreactivity), and cytokeratin (negative).
  • CONCLUSIONS: Our findings indicate that immunohistochemistry for CD34 and CD117 are effective at diagnosing juxtaglomerular cell tumor.
  • Juxtaglomerular cell tumor should be considered in the diagnosis of any renal tumors with epithelioid cells and negative initial cytokeratin immunohistochemistry.
  • [MeSH-minor] Adolescent. Adult. Biomarkers, Tumor / analysis. Female. Humans. Hypertension / diagnosis. Male. Middle Aged. Tomography, X-Ray Computed. Treatment Outcome

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  • (PMID = 16683889.001).
  • [ISSN] 1543-2165
  • [Journal-full-title] Archives of pathology & laboratory medicine
  • [ISO-abbreviation] Arch. Pathol. Lab. Med.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD34; 0 / Biomarkers, Tumor; EC 2.7.10.1 / Proto-Oncogene Proteins c-kit
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7. Araki E, Koide Y, Fujimoto K, Okazaki K: [Intravenous leiomyomatosis with extension into the right atrium: differential diagnosis from right atrial myxoma by intraoperative transesophageal echocardiography]. Masui; 2008 Aug;57(8):1008-12
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • Intravenous leiomyomatosis (IVL) is an uncommon neoplasm characterized by the growth of a benign-looking smooth muscle tumor into the venous system.
  • Intracardiac extension of this tumor is rare and may be misdiagnosed as right atrial myxoma unless the extracardiac part of the tumor is fully evaluated.
  • Intraoperative transesophageal echocardiography (TEE) revealed that the tumor had an extracardiac origin, resulting in tumor removal from the heart chamber and a part of the inferior vena cava (IVC) under circulatory arrest.
  • When the findings of no attachment of the tumor to the interatrial septum or the right atrial wall and the tumor extension through the IVC are obtained by TEE examination, IVL should be considered as a differential diagnosis.

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  • (PMID = 18710012.001).
  • [ISSN] 0021-4892
  • [Journal-full-title] Masui. The Japanese journal of anesthesiology
  • [ISO-abbreviation] Masui
  • [Language] jpn
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Japan
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8. Roue A, Laboisse C, Winer N, Darnis E, Bouquin R, Lopes P, Philippe HJ: [Extra-uterine pelvic leiomyoma: diagnosis and practical management]. J Gynecol Obstet Biol Reprod (Paris); 2007 Jun;36(4):403-8
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • The diagnosis of extra-uterine leiomyoma is based on histopathological analysis, using standard histology, and immunohistochemistry with anti-desmin and anti smooth muscle actin antibodies.
  • Providing therapy depends on the clinicopathologic features: the so called "parasitic leiomyoma", a tumor developed at the expense of local smooth muscle cells, metastasis of a benign metastasizing leiomyoma or leiomyomatosis peritonealis disseminata.

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  • (PMID = 17408875.001).
  • [ISSN] 0368-2315
  • [Journal-full-title] Journal de gynécologie, obstétrique et biologie de la reproduction
  • [ISO-abbreviation] J Gynecol Obstet Biol Reprod (Paris)
  • [Language] fre
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] France
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9. Gupta A, Chandra N, Sharma A, Husain N, Kureel SN: Renal leiomyoma in a child: a rare renal tumor. J Pediatr Surg; 2010 Sep;45(9):1900-3
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Renal leiomyoma in a child: a rare renal tumor.
  • Renal leiomyoma is a rare benign smooth muscle tumor of the kidney.
  • We report a case of right renal leiomyoma in a 6-year-old boy which was suspected of being a Wilms tumor.
  • Contrast-enhanced computed tomography could not differentiate leiomyoma in the kidney, and the mass was diagnosed as a Wilms tumor.
  • There may be a role for nephron sparing surgery, provided the tumor is small, and one has a strong suspicion for the lesion being benign.

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  • [Copyright] Copyright © 2010 Elsevier Inc. All rights reserved.
  • (PMID = 20850642.001).
  • [ISSN] 1531-5037
  • [Journal-full-title] Journal of pediatric surgery
  • [ISO-abbreviation] J. Pediatr. Surg.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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10. Xu Y, Jing Y, Ma S, Ma F, Wang Y, Ma W, Li Q: Primary angioleiomyoma in the sellar region: a case report and literature review. Clin Neuropathol; 2010 Jan-Feb;29(1):21-5
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • OBJECTIVE: Angioleiomyoma (vascular leiomyomas, angiomyoma) is a rare, benign soft tissue tumor which consists of a mixture of well-differentiated smooth muscle cells and thick-walled vessels.
  • Gross total resection of the tumor was then performed.
  • The pertinent literature regarding the features of this tumor was reviewed and discussed.
  • CONCLUSIONS: Intracranial angioleiomyoma is a benign soft tissue tumor with excellent prognosis.
  • Early diagnosis of this tumor is difficult.

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  • (PMID = 20040329.001).
  • [ISSN] 0722-5091
  • [Journal-full-title] Clinical neuropathology
  • [ISO-abbreviation] Clin. Neuropathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] Germany
  • [Chemical-registry-number] 9002-60-2 / Adrenocorticotropic Hormone
  • [Number-of-references] 14
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11. Ohsie SJ, Moatamed NA, Chang HR, Apple SK: Heterotopic breast tissue versus occult metastatic carcinoma in lymph node, a diagnostic dilemma. Ann Diagn Pathol; 2010 Aug;14(4):260-3
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  • By immunohistochemistry, the ducts were positive for cytokeratin, estrogen receptor/progesterone receptor and did not show a myoepithelial layer by P63 or smooth-muscle myosin heavy-chain staining.
  • The differential diagnosis includes heterotopic epithelial inclusions and benign mechanical transport.
  • Mechanical transport of the breast tissue was ruled out because primary tumor type in the breast and the ductal structures in the lymph nodes were of different types.
  • The diagnosis of occult metastatic tumor was based on the lack of the myoepithelial layers associated with the ductal structures.

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  • [Copyright] Copyright 2010 Elsevier Inc. All rights reserved.
  • (PMID = 20637431.001).
  • [ISSN] 1532-8198
  • [Journal-full-title] Annals of diagnostic pathology
  • [ISO-abbreviation] Ann Diagn Pathol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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12. Murtoniemi K, Pirinen E, Kähkönen M, Heiskanen N, Heinonen S: Smooth muscle tumor of the placenta - an entrapped maternal leiomyoma: a case report. J Med Case Rep; 2009;3:7302
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  • [Title] Smooth muscle tumor of the placenta - an entrapped maternal leiomyoma: a case report.
  • Tumors arising from the placental tissue include two distinct histological types: the benign vascular tumor, chorangioma, and very rarely, choriocarcinoma.
  • Benign leiomyomas, in contrast, are very common tumors of the uterine wall and occur in 0.1% to 12.5% of all pregnant women.
  • This case is possibly the first report on this kind of a placental tumor which has been examined using both immunohistochemistry and chromosome analysis.
  • Histologically, the tumor was a benign leiomyoma and this finding was supported by immunohistochemistry.
  • Chromosomes of the neoplasm were studied by the fluorescence in situ hybridization technique and the tumor was found to carry XX chromosomes.
  • CONCLUSION: A rare benign smooth muscle neoplasm involving the placental parenchyma is presented.
  • The tumor was a uterine leiomyoma of maternal origin, which had become entrapped by the placenta.

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  • (PMID = 19830174.001).
  • [ISSN] 1752-1947
  • [Journal-full-title] Journal of medical case reports
  • [ISO-abbreviation] J Med Case Rep
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC2726536
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13. Baneth V, Raica M, Cîmpean AM: Assessment of angiogenesis in soft-tissue tumors. Rom J Morphol Embryol; 2005;46(4):323-7
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  • The aims of our paper were to establish the main morphological and immunohistochemical aspects of tumor vessels, to quantify angiogenesis in soft-tissue tumors and to study the possible relationship between mast cells and angiogenesis.
  • For this purpose, we immunohistochemically investigated 54 cases of benign and malignant tumors for smooth muscle actin and endothelial markers CD34 and CD31.
  • Our results strongly support the presence of a large number of immature and intermediate blood vessels in the tumor area.

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  • (PMID = 16688371.001).
  • [ISSN] 1220-0522
  • [Journal-full-title] Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie
  • [ISO-abbreviation] Rom J Morphol Embryol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Romania
  • [Chemical-registry-number] 0 / Actins; 0 / Antigens, CD31; 0 / Antigens, CD34
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14. Gatalica Z, Hes O, Vanecek T, Sanger W: Renal smooth muscle hamartoma. Pathol Res Pract; 2010 Nov 15;206(11):782-4
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  • [Title] Renal smooth muscle hamartoma.
  • A large (4 cm in diameter) smooth muscle tumor was found in the medial aspect of the right kidney in a 54-year-old Caucasian woman with acute hypertension.
  • These findings are consistent with smooth muscle hamartoma, a rare benign renal tumor-like lesion.
  • [MeSH-major] Hamartoma / pathology. Kidney Diseases / pathology. Muscle, Smooth / pathology

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  • [Copyright] Copyright © 2010 Elsevier GmbH. All rights reserved.
  • (PMID = 20462705.001).
  • [ISSN] 1618-0631
  • [Journal-full-title] Pathology, research and practice
  • [ISO-abbreviation] Pathol. Res. Pract.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Receptors, Androgen; 9007-49-2 / DNA
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15. Hayashi T, Tagawa T, Ashizawa K, Abe K, Kinoshita N, Tsutsui S, Anami M, Nagayasu T: Contrast-enhanced dynamic magnetic resonance imaging of primary pulmonary leiomyosarcoma. Tohoku J Exp Med; 2006 Nov;210(3):263-7
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  • Chest computed tomography (CT) revealed a 55 x 40 mm well-defined mass with smooth margins in the lower lobe of the right lung (S6).
  • However, contrast-enhanced dynamic magnetic resonance imaging (MRI) revealed enhancement of the lesion, which had a clear margin and homogenous consistency, suggesting a benign pulmonary solid tumor.
  • Histopathologically, the tumor consists of spindle cells with ample eosinophilic cytoplasm arranged in an interlacing pattern.
  • Immunohistochemical staining revealed positive desmin reactivity but was negative for alpha smooth muscle actin and HHF-35 (muscle specific actin), indicating atypical phenotypic differentiation.

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  • (PMID = 17077604.001).
  • [ISSN] 0040-8727
  • [Journal-full-title] The Tohoku journal of experimental medicine
  • [ISO-abbreviation] Tohoku J. Exp. Med.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Contrast Media
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16. Watanabe H, Ishida Y, Nagashima K, Makino T, Norisugi O, Shimizu T: Desmoplastic fibroblastoma (collagenous fibroma). J Dermatol; 2008 Feb;35(2):93-7
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  • Desmoplastic fibroblastoma (DF) is a rare fibrotic tumor that has a wide anatomic distribution and it can appear in deep sections of the subcutis, in fascia, in aponeurosis or in skeletal muscles.
  • The entrapment of fat and muscle tissues was focally identified at the edges of the tumor.
  • The stellate and multinucleated cells in the lesion were strongly positive for vimentin but negative for cytokeratin, smooth muscle actin, desmin, S-100, CD34, factor XIIIa, and CD68.
  • These findings suggest that the stellate and multinucleated cells in the lesion were of fibroblastic origin and this neoplasm was pathologically benign.

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  • (PMID = 18271804.001).
  • [ISSN] 0385-2407
  • [Journal-full-title] The Journal of dermatology
  • [ISO-abbreviation] J. Dermatol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Japan
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17. Moench C, Burck I, Bug R, Bak YJ, Richter B, Schroeder R, Klarner A, Strey CW, Vogl T, Bechstein W: [Hepatic angiomyolipoma--a rare liver tumor]. Z Gastroenterol; 2008 Jan;46(1):54-7
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  • [Title] [Hepatic angiomyolipoma--a rare liver tumor].
  • Angiomyolipoma of the liver is a rare benign mesenchymal tumour often mimicking other hepatic lesions.
  • Histological features are thick-walled blood vessels, mature fat and smooth muscle in various proportions.
  • The biological behaviour of the tumour is benign, although distant metastases are occasionally possible.

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  • (PMID = 18188817.001).
  • [ISSN] 0044-2771
  • [Journal-full-title] Zeitschrift für Gastroenterologie
  • [ISO-abbreviation] Z Gastroenterol
  • [Language] ger
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Germany
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18. Canevari Rde A, Pontes A, Rogatto SR: Microallelotyping defines novel regions of loss of heterozygosity in uterine leiomyomas. Mol Carcinog; 2005 Mar;42(3):177-82
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  • Uterine leiomyomas are extremely common, benign, smooth muscle tumors that represent a significant public health problem.
  • The detection of LOH has been used to identify genomic regions that harbor tumor suppressor genes and to characterize different tumor types.
  • These results provide useful clues for identifying putative tumor suppressor genes associated with a subset of uterine leiomyomas. (c) 2004 Wiley-Liss, Inc.
  • [MeSH-minor] Case-Control Studies. Chromosomes, Human, Pair 7 / genetics. Female. Genes, Tumor Suppressor. Genetic Markers / genetics. Humans. Polymorphism, Genetic / genetics

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  • (PMID = 15605361.001).
  • [ISSN] 0899-1987
  • [Journal-full-title] Molecular carcinogenesis
  • [ISO-abbreviation] Mol. Carcinog.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Genetic Markers
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19. Zhong DR, Liu TH, Yang D, Feng RE, Cui QC, Luo YF, Jia Y: [Clinicopathologic study of 10 cases of osteomalacia or rickets-associated mesenchymal tumors]. Zhonghua Bing Li Xue Za Zhi; 2005 Nov;34(11):724-8
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  • The tumor size ranged from 1 to 7 cm (mean size = 3.52 cm).
  • On immunohistochemical study, the tumor cells were all positive for vimentin.
  • There was focal positivity for smooth muscle actin and CD34 in 5 and 3 cases respectively.
  • CONCLUSIONS: Most of the osteomalacia or rickets-associated tumors are either benign or low-grade malignant mesenchymal tumors.

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  • (PMID = 16536317.001).
  • [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] English Abstract; Journal Article
  • [Publication-country] China
  • [Chemical-registry-number] 0 / Actins; 0 / Antigens, CD34; 0 / Vimentin; 0 / smooth muscle actin, rat
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20. Miguita L, Martinez EF, de Araújo NS, de Araújo VC: FGF-2, TGFbeta-1, PDGF-A and respective receptors expression in pleomorphic adenoma myoepithelial cells: an in vivo and in vitro study. J Appl Oral Sci; 2010 Jan-Feb;18(1):83-91
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  • Myoepithelial cells have an important role in salivary gland tumor development, contributing to a low grade of aggressiveness of these tumors.
  • The importance of stromal cells and growth factors during tumor initiation and progression has been highlighted by recent literature.
  • CONCLUSIONS: These data suggested that FGF-2 compared to the other studied growth factors has an important role in PA benign myoepithelial cells, probably contributing to proliferation of these cells through the FGFR-1.
  • [MeSH-minor] Actins / analysis. Adult. Calcium-Binding Proteins / analysis. Cell Nucleus / ultrastructure. Cells, Cultured. Cytoplasm / ultrastructure. Epithelial Cells / pathology. Female. Fluorescent Antibody Technique. Humans. Immunohistochemistry. Keratin-7 / analysis. Lip Neoplasms / pathology. Male. Microfilament Proteins / analysis. Muscle Cells / pathology. Muscle Proteins / analysis. Muscle, Smooth / pathology. Palatal Neoplasms / pathology. Vimentin / analysis. Young Adult

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  • (PMID = 20379686.001).
  • [ISSN] 1678-7765
  • [Journal-full-title] Journal of applied oral science : revista FOB
  • [ISO-abbreviation] J Appl Oral Sci
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Brazil
  • [Chemical-registry-number] 0 / Actins; 0 / Calcium-Binding Proteins; 0 / Keratin-7; 0 / Microfilament Proteins; 0 / Muscle Proteins; 0 / Platelet-Derived Growth Factor; 0 / Receptors, Transforming Growth Factor beta; 0 / Transforming Growth Factor beta1; 0 / Vimentin; 0 / calponin; 0 / platelet-derived growth factor A; 103107-01-3 / Fibroblast Growth Factor 2; EC 2.7.10.1 / FGFR1 protein, human; EC 2.7.10.1 / FGFR2 protein, human; EC 2.7.10.1 / Receptor, Fibroblast Growth Factor, Type 1; EC 2.7.10.1 / Receptor, Fibroblast Growth Factor, Type 2; EC 2.7.10.1 / Receptor, Platelet-Derived Growth Factor alpha; EC 2.7.11.1 / Protein-Serine-Threonine Kinases; EC 2.7.11.30 / transforming growth factor-beta type II receptor
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21. Seyama K, Kumasaka T, Kurihara M, Mitani K, Sato T: Lymphangioleiomyomatosis: a disease involving the lymphatic system. Lymphat Res Biol; 2010 Mar;8(1):21-31
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  • BACKGROUND: Lymphangioleiomyomatosis (LAM) is a rare neoplastic disease in which abnormal smooth muscle-like cells (LAM cells) proliferate in the lungs and along the axial lymphatic systems, including the lymph nodes and thoracic ducts.
  • LAM cells are transformed due to loss-of-function type mutations of either the TSC1 or TSC2 tumor suppressor genes.
  • The pathological features include the proliferation of benign-looking LAM cells and the existence of abundant lymphatic vessels that are associated with clinical conditions such as chyle leakage.
  • CONCLUSION: LAM appears to be a disease involving a dysfunction of the lymphatic system and a fascinating model of tumor dissemination that is exclusively lymphangitic.
  • [MeSH-major] Lymphangioleiomyomatosis / metabolism. Lymphatic System / metabolism. Neoplasm Proteins / metabolism


22. Carinelli S, Motta F, Frontino G, Restelli E, Fedele L: Multiple extrauterine adenomyomas and uterus-like masses: case reports and review of the literature. Fertil Steril; 2009 May;91(5):1956.e9-11
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  • PATIENT(S): Two patients without urogenital malformations diagnosed with extrauterine adenomyoma, which is a benign tumor composed of smooth muscle and endometrium, typically originating within the uterus.

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  • (PMID = 19254794.001).
  • [ISSN] 1556-5653
  • [Journal-full-title] Fertility and sterility
  • [ISO-abbreviation] Fertil. Steril.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] United States
  • [Chemical-registry-number] 33515-09-2 / Gonadotropin-Releasing Hormone
  • [Number-of-references] 19
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23. Simon RA, Sung CJ, Lawrence WD, Quddus MR: Vascular plexiform leiomyoma mimicking uterine tumor resembling ovarian sex cord tumor. Ann Diagn Pathol; 2010 Oct;14(5):355-7
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  • [Title] Vascular plexiform leiomyoma mimicking uterine tumor resembling ovarian sex cord tumor.
  • Leiomyomata are common benign smooth muscle neoplasms with a usually easily recognizable histologic pattern.
  • Here we describe a case of a highly vascular leiomyoma with a prominent plexiform pattern and cords and tubules of epithelioid cells that mimics a uterine tumor resembling an ovarian sex cord tumor.

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  • [Copyright] Copyright © 2010 Elsevier Inc. All rights reserved.
  • (PMID = 20850699.001).
  • [ISSN] 1532-8198
  • [Journal-full-title] Annals of diagnostic pathology
  • [ISO-abbreviation] Ann Diagn Pathol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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24. Saito M, Yuasa T, Nanjo H, Tsuchiya N, Satoh S, Habuchi T: A case of testicular angiomyolipoma. Int J Urol; 2008 Feb;15(2):185-7
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  • A 22-year-old male underwent left orchiectomy under a diagnosis of testicular tumor.
  • The tumor demonstrated neither cytological atypia nor widespread mitotic activity.
  • In addition, the tumor cells showed intense expression of CD34 and smooth muscle actin, whereas HMB-45 was entirely negative.
  • Although the true cellular origin and its clinical implications remain unknown, pathological and immunohistochemical studies strongly indicated benign testicular AML with a non-germ cell origin.

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  • (PMID = 18269463.001).
  • [ISSN] 1442-2042
  • [Journal-full-title] International journal of urology : official journal of the Japanese Urological Association
  • [ISO-abbreviation] Int. J. Urol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Australia
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25. Tamas EF, Epstein JI: Detection of residual tumor cells in bladder biopsy specimens: pitfalls in the interpretation of cytokeratin stains. Am J Surg Pathol; 2007 Mar;31(3):390-7
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  • [Title] Detection of residual tumor cells in bladder biopsy specimens: pitfalls in the interpretation of cytokeratin stains.
  • The detection of a few residual tumor cells in bladder specimens with prior biopsy site changes can be challenging based on histology alone.
  • We have noted several cases in which keratin stains were performed and positive cells were noted, raising the issue as to whether the cytokeratin positive cells were residual tumor cells or stromal cells.
  • Immunohistochemistry for a panel of antibodies [AE1/AE3, CAM 5.2, high molecular weight cytokeratin, smooth muscle actin (SMA), desmin, and anaplastic lymphoma kinase (ALK)] was performed on 29 cases of bladder biopsies with prior biopsy site changes.
  • Of 29 patients, 25 had a prior history of bladder tumor: 17 had invasive high-grade urothelial carcinoma (T1, 5 cases; T2, 11 cases; T3,1 case); 7 had noninvasive high-grade papillary urothelial carcinoma; 1 had noninvasive low-grade papillary urothelial carcinoma).
  • Four patients had prior benign bladder diagnoses: cystitis cystica et glandularis; polypoid cystitis; follicular cystitis; and neurogenic bladder with benign prostate hyperplasia.
  • Another 3 cases with concurrent staining for at least 1 of the keratins, SMA and desmin were consistent with smooth muscle cells on the basis of their cellular morphology.
  • When interpreting CK stains for the detection of residual tumor cells, one should pay attention to the nature of the cells and not assume all CK staining cells are residual tumor cells.
  • [MeSH-major] Carcinoma, Transitional Cell / pathology. Diagnostic Errors / prevention & control. Keratins / analysis. Neoplasm, Residual / pathology. Urinary Bladder / pathology. Urinary Bladder Neoplasms / pathology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / analysis. Biopsy. Humans. Immunohistochemistry. Middle Aged. Neoplasm Recurrence, Local. Urothelium / chemistry. Urothelium / pathology

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  • (PMID = 17325480.001).
  • [ISSN] 0147-5185
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 68238-35-7 / Keratins
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26. Chaplin A, Conrad DM, Tatlidil C, Jollimore J, Walsh N, Covert A, Pasternak S: Primary cutaneous PEComa. Am J Dermatopathol; 2010 May;32(3):310-2
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  • Microscopic examination of the excisional specimen revealed a dermal tumor composed of nests of epithelioid cells exhibiting clear cytoplasm.
  • The tumor showed an infiltrative border.
  • Immunohistochemical evaluation revealed that the tumor cells were positive for HMB-45 and microftalmia associated transcription factor (MITF).
  • The tumor cells were negative for S-100 protein, alfa smooth muscle actin, HHF-35, and various cytokeratins.
  • They constitute a spectrum of lesions in different organs including angiomyolipoma of the kidney and liver, sugar tumor of the lung, lymphangiomatosis, and lymphangiomyoma.
  • Follow-up data is limited but they appear to behave in a benign fashion.
  • We report an additional case with the goal of alerting dermatopathologists to this distinctive unusual neoplasm.
  • [MeSH-minor] Antigens, Neoplasm / analysis. Biomarkers, Tumor / analysis. Biopsy. Desmin / analysis. Female. Humans. Leg. Melanoma-Specific Antigens. Microphthalmia-Associated Transcription Factor / analysis. Middle Aged. Neoplasm Proteins / analysis. Treatment Outcome

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  • (PMID = 20139753.001).
  • [ISSN] 1533-0311
  • [Journal-full-title] The American Journal of dermatopathology
  • [ISO-abbreviation] Am J Dermatopathol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, Neoplasm; 0 / Biomarkers, Tumor; 0 / Desmin; 0 / MITF protein, human; 0 / Melanoma-Specific Antigens; 0 / Microphthalmia-Associated Transcription Factor; 0 / Neoplasm Proteins
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27. Rouquie D, Eggenspieler P, Algayres JP, Béchade D, Camparo P, Baranger B: [Malignant-like angiomyolipoma of the liver: report of one case and review of the literature]. Ann Chir; 2006 May;131(5):338-41
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  • Frequently found in kidney, angiomyolipoma is a rare mesenchymal tumor when diagnosed in the liver and usually benign composed of proliferative blood vessels, fatty tissue and smooth muscle.
  • We report the case of a 67-year-old woman who underwent a left hepatectomy for a 4th segment tumor unidentified after imaging and fine needle biopsy.

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  • (PMID = 16386232.001).
  • [ISSN] 0003-3944
  • [Journal-full-title] Annales de chirurgie
  • [ISO-abbreviation] Ann Chir
  • [Language] fre
  • [Publication-type] Case Reports; English Abstract; Journal Article; Review
  • [Publication-country] France
  • [Number-of-references] 16
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28. Mandal S, Mahajan D, Khurana N: Ovarian adenomyoma mimicking an ovarian malignancy: a case report with literature review. Int J Surg Pathol; 2009 Feb;17(1):38-40
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  • Smooth muscle tumors of the ovary are rare, and ovarian adenomyoma are even rarer.
  • It is a well-circumscribed biphasic tumor composed of benign glands and smooth muscle cells, as well as a variety of pseudoneoplastic glandular lesion.

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  • (PMID = 18397899.001).
  • [ISSN] 1066-8969
  • [Journal-full-title] International journal of surgical pathology
  • [ISO-abbreviation] Int. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 10
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29. Lazaarev AF, Avbalian AM, Bobrov IP, Klimachev VV, Mischenko EV: [Co-adaptation of enzymatic systems of cells and blood supply in smooth muscle tumors of the corpus uteri]. Vopr Onkol; 2008;54(5):606-10
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  • [Title] [Co-adaptation of enzymatic systems of cells and blood supply in smooth muscle tumors of the corpus uteri].
  • We investigated co-adaptation of enzymatic systems of cells using data on activity of NAD(Ph)-dependent enzymes and AgNOR proteins of vascular endothelium vis-a-vis angiogenesis in benign and malignant smooth muscle tumors of the corpus uteri.
  • Hence, metabolic profile varied in unaltered myometrium and tumor with variable cellular density and peculiar extracellular matrix.

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  • (PMID = 19069475.001).
  • [ISSN] 0507-3758
  • [Journal-full-title] Voprosy onkologii
  • [ISO-abbreviation] Vopr Onkol
  • [Language] rus
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Russia (Federation)
  • [Chemical-registry-number] 0 / Antigens, Nuclear; 0 / nucleolar organizer region associated proteins; 53-59-8 / NADP; EC 1.3.99.1 / Succinate Dehydrogenase
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30. Tardío JC: CD34-reactive tumors of the skin. An updated review of an ever-growing list of lesions. J Cutan Pathol; 2009 Jan;36(1):89-102
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  • The list contains benign and malignant neoplasms as well as reactive and hamartomatous lesions of diverse lineages of differentiation, including fibroblastic, myofibroblastic, fibrohistiocytic, vascular, neural, adipocytic, smooth muscle, hematopoietic, melanocytic and epithelial.
  • The CD34 expression plays a key role in the differential diagnosis of some tumors, such as dermatofibrosarcoma protuberans, epithelioid sarcoma or pleomorphic hyalinizing angiectatic tumor of soft parts, with important therapeutic consequences.

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  • [RepublishedFrom] J Cutan Pathol. 2008 Dec;35(12):1079-92 [18976402.001]
  • (PMID = 19125742.001).
  • [ISSN] 1600-0560
  • [Journal-full-title] Journal of cutaneous pathology
  • [ISO-abbreviation] J. Cutan. Pathol.
  • [Language] eng
  • [Publication-type] Corrected and Republished Article; Journal Article; Review
  • [Publication-country] Denmark
  • [Chemical-registry-number] 0 / Antigens, CD34
  • [Number-of-references] 171
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31. Liegl B, Hornick JL, Fletcher CD: Primary cutaneous PEComa: distinctive clear cell lesions of skin. Am J Surg Pathol; 2008 Apr;32(4):608-14
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  • Tumor size ranged from 0.7 to 2 cm (median size, 1.5 cm).
  • Tumor cells had clear, palely eosinophilic or granular cytoplasm.
  • Multinucleate tumor giant cells were observed in 3 cases.
  • In cases where HMB-45 was positive in fewer than 5% of tumor cells (5/10), microphthalmia transcription factor was positive in the majority of the tumor cell nuclei.
  • Desmin positivity was observed in 5 and smooth muscle actin in 1 case, respectively.
  • The other muscle markers (caldesmon, calponin) and also pan-keratin and epithelial membrane antigen were negative.
  • Primary cutaneous PEComas are rare and thus far apparently benign cutaneous tumors.
  • [MeSH-major] Biomarkers, Tumor / analysis. Melanoma / pathology. Skin Neoplasms / pathology
  • [MeSH-minor] Actins / analysis. Adolescent. Adult. Aged. Aged, 80 and over. Antigens, Neoplasm / analysis. Calcium-Binding Proteins / analysis. Calmodulin-Binding Proteins / analysis. Dermis / pathology. Desmin / analysis. Diagnosis, Differential. Female. Giant Cells / pathology. Humans. Immunohistochemistry. Keratins / analysis. MART-1 Antigen. Male. Melanoma-Specific Antigens. Microfilament Proteins / analysis. Microphthalmia-Associated Transcription Factor / analysis. Middle Aged. Mitotic Index. Mucin-1 / analysis. Neoplasm Invasiveness. Neoplasm Proteins / analysis. Subcutaneous Fat / pathology

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  • [CommentIn] Am J Dermatopathol. 2016 Feb;38(2):165-6 [26825164.001]
  • (PMID = 18277881.001).
  • [ISSN] 0147-5185
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Actins; 0 / Antigens, Neoplasm; 0 / Biomarkers, Tumor; 0 / Calcium-Binding Proteins; 0 / Calmodulin-Binding Proteins; 0 / Desmin; 0 / MART-1 Antigen; 0 / MITF protein, human; 0 / MLANA protein, human; 0 / Melanoma-Specific Antigens; 0 / Microfilament Proteins; 0 / Microphthalmia-Associated Transcription Factor; 0 / Mucin-1; 0 / Neoplasm Proteins; 0 / calponin; 68238-35-7 / Keratins
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32. Strissel PL, Swiatek J, Oppelt P, Renner SP, Beckmann MW, Strick R: Transcriptional analysis of steroid hormone receptors in smooth muscle uterine leiomyoma tumors of postmenopausal patients. J Steroid Biochem Mol Biol; 2007 Oct;107(1-2):42-7
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  • [Title] Transcriptional analysis of steroid hormone receptors in smooth muscle uterine leiomyoma tumors of postmenopausal patients.
  • Smooth muscle tumors are histologically separated into benign leiomyomas and malignant leiomyosarcomas.
  • Uterine leiomyomas represent benign clonal tumors often arising within the smooth muscle tissue of the human uterus.
  • Uterine leiomyomas develop after the start of the menstrual cycle, become symptomatic during middle age, and in most postmenopausal patients tumor regression occurs.
  • Quantitation of steroid hormone receptors from benign uterine tumors may be important for a more tailored therapy.
  • In addition, a role for steroid hormones, specifically ERbeta, is discussed in terms of benign tumor regression or tumor maintenance in postmenopausal leiomyomas.

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  • (PMID = 17646097.001).
  • [ISSN] 0960-0760
  • [Journal-full-title] The Journal of steroid biochemistry and molecular biology
  • [ISO-abbreviation] J. Steroid Biochem. Mol. Biol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Estrogen Receptor alpha; 0 / Estrogen Receptor beta; 0 / RNA, Messenger; 0 / Receptors, Progesterone
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33. Ghazali N, Cascarini L, Norris P, Barrett AW, Lavery KM: Perivascular epithelioid cell tumor (PEComa) of the cheek. Oral Surg Oral Med Oral Pathol Oral Radiol Endod; 2010 Jul;110(1):e26-31
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Perivascular epithelioid cell tumor (PEComa) of the cheek.
  • We present the unusual case of a perivascular epithelioid cell tumor (PEComa) occurring within the cheek of a 32-year-old woman.
  • PEComa is a rare, recently described, family of tumors with diverse clinicopathologic expression and which express melanocytic and muscle markers.
  • Other possible diagnoses considered included benign mesenchymal tumors of smooth muscle or neural origin.
  • The tumor was completely excised, but in view of uncertainty as to how this entity would behave in an unusual location, lifelong follow up is recommended.
  • [MeSH-minor] Actins / analysis. Adult. Antigens, Neoplasm / analysis. Arterioles / pathology. Diagnosis, Differential. Epithelioid Cells / pathology. Female. Follow-Up Studies. Humans. MART-1 Antigen. Muscle, Smooth, Vascular / pathology. Neoplasm Proteins / analysis

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  • [Copyright] Copyright (c) 2010 Mosby, Inc. All rights reserved.
  • (PMID = 20610292.001).
  • [ISSN] 1528-395X
  • [Journal-full-title] Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics
  • [ISO-abbreviation] Oral Surg Oral Med Oral Pathol Oral Radiol Endod
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Actins; 0 / Antigens, Neoplasm; 0 / MART-1 Antigen; 0 / MLANA protein, human; 0 / Neoplasm Proteins
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34. Beer TW, Drury P, Heenan PJ: Atypical fibroxanthoma: a histological and immunohistochemical review of 171 cases. Am J Dermatopathol; 2010 Aug;32(6):533-40
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  • Seventy-four percent of cases expressed smooth muscle actin, typically strongly and diffusely.
  • [MeSH-major] Histiocytoma, Benign Fibrous / pathology. Skin Neoplasms / pathology
  • [MeSH-minor] Actins / metabolism. Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / metabolism. Carcinoma, Squamous Cell / diagnosis. Diagnosis, Differential. Female. Humans. Immunohistochemistry. Male. Middle Aged


35. McKinney CA, Geiger JD, Castle VP, Ruiz RE, Strouse PJ: Aggressive hepatic angiomyolipoma in a child. Pediatr Hematol Oncol; 2005 Jan-Feb;22(1):17-24
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  • Angiomyolipoma is a tumor of the kidney and, more rarely, the liver, which histologically consists of smooth muscle cells, adipose cells, and abnormal blood vessels in varying proportions.
  • This tumor is generally benign and resection is curative, but here the authors present the case of a 14-year-old girl with an unusual primary hepatic angiomyolipoma that recurred following resection and behaved aggressively.

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  • (PMID = 15770828.001).
  • [ISSN] 0888-0018
  • [Journal-full-title] Pediatric hematology and oncology
  • [ISO-abbreviation] Pediatr Hematol Oncol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] England
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36. Souza DP, Loureiro CC, Rejas RA, Sousa SO, Raitz R: Intraosseous myofibroma simulating an odontogenic lesion. J Oral Sci; 2009 Jun;51(2):307-11
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  • Myofibroma is a rare benign nodular tumor of the soft tissues, bones, or internal organs, and may affect both children and adults.
  • Histopathologic findings alone may be insufficient for a final diagnosis, and immunostaining for markers such as vimentin, alpha-smooth muscle actin, desmin and S-100 may be required.

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  • (PMID = 19550103.001).
  • [ISSN] 1880-4926
  • [Journal-full-title] Journal of oral science
  • [ISO-abbreviation] J Oral Sci
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Actins; 0 / Vimentin
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37. Ishikawa K, Hirashita T, Araki K, Kitano M, Matsuo S, Matsumata T, Kitano S: A case of retroperitoneal mucinous cystadenoma treated successfully by laparoscopic excision. Surg Laparosc Endosc Percutan Tech; 2008 Oct;18(5):516-9
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  • We found a smooth and thin-walled cystic tumor that displaced the descending colon to the right and arose from the retroperitoneum, loosely adhering to the psoas muscle.
  • We successfully extirpated the tumor laparoscopically.
  • The surgical specimen consisted of a multilocular, red to yellowish-gray, cystic mass with a smooth, glistening external surface, and inner lining.
  • The histologic diagnosis was benign mucinous cystadenoma.

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  • (PMID = 18936681.001).
  • [ISSN] 1534-4908
  • [Journal-full-title] Surgical laparoscopy, endoscopy & percutaneous techniques
  • [ISO-abbreviation] Surg Laparosc Endosc Percutan Tech
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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38. Val-Bernal JF, Aguilera C, Villagrá NT, Correas MA: Myxoma of the renal capsule. Pathol Res Pract; 2005;200(11-12):835-40
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  • A radiological examination incidentally discovered a right renal tumor.
  • The resected kidney contained a well-circumscribed gelatinous capsular tumor.
  • The tumor cells showed diffuse immunoreactivity for vimentin.
  • Occasional cells stained for alpha-smooth muscle actin and calponin.
  • No basal lamina was identified around the tumor cells.
  • The differential diagnosis includes many other benign and malignant soft-tissue lesions exhibiting prominent secondary myxoid features.
  • [MeSH-minor] Adult. Biomarkers, Tumor / analysis. Cell Nucleus / ultrastructure. Cytoplasmic Structures / ultrastructure. Humans. Immunoenzyme Techniques. Male. Nephrectomy. Treatment Outcome. Vimentin / analysis

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  • (PMID = 15792129.001).
  • [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 / Biomarkers, Tumor; 0 / Vimentin
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39. Agaimy A, Wünsch PH, Schroeder J, Gaumann A, Dietmaier W, Hartmann A, Hofstaedter F, Mentzel T: Low-grade abdominopelvic sarcoma with myofibroblastic features (low-grade myofibroblastic sarcoma): clinicopathological, immunohistochemical, molecular genetic and ultrastructural study of two cases with literature review. J Clin Pathol; 2008 Mar;61(3):301-6
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  • AIMS: Low-grade myofibroblastic sarcoma (LGMS) represents a rare soft tissue neoplasm with a predilection for the head and neck.
  • The tumour cells strongly expressed vimentin, variably alpha-smooth muscle actin and fibronectin, but were negative for CD117, S-100, desmin, h-caldesmon, beta-catenin, ALK-1, MDM2, PDGFRalpha and PDGFRbeta.
  • LGMS may mimic a variety of benign and low-grade malignant neoplasms and might be under-recognised.
  • [MeSH-major] Neoplasm Recurrence, Local / ultrastructure. Peritoneal Neoplasms / ultrastructure. Sarcoma / ultrastructure. Soft Tissue Neoplasms / ultrastructure
  • [MeSH-minor] Actins / analysis. Aged. Biomarkers, Tumor / analysis. DNA Mutational Analysis. Female. Fibronectins / analysis. Humans. Immunohistochemistry. Mesentery. Middle Aged. Mitotic Index. Pelvis. Proto-Oncogene Proteins c-kit / genetics. Receptor, Platelet-Derived Growth Factor alpha / genetics. Vimentin / analysis

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  • (PMID = 17513510.001).
  • [ISSN] 1472-4146
  • [Journal-full-title] Journal of clinical pathology
  • [ISO-abbreviation] J. Clin. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Actins; 0 / Biomarkers, Tumor; 0 / Fibronectins; 0 / Vimentin; EC 2.7.10.1 / Proto-Oncogene Proteins c-kit; EC 2.7.10.1 / Receptor, Platelet-Derived Growth Factor alpha
  • [Number-of-references] 38
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41. Takahashi Y, Suzuki M, Fukusato T: Plexiform angiomyxoid myofibroblastic tumor of the stomach. World J Gastroenterol; 2010 Jun 21;16(23):2835-40
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  • [Title] Plexiform angiomyxoid myofibroblastic tumor of the stomach.
  • Plexiform angiomyxoid myofibroblastic tumor of the stomach is a unique mesenchymal tumor that we first described in 2007.
  • The tumor is very rare, and to date, only 18 cases confirmed by immunohistochemistry have been reported in the literature.
  • The tumors are located at the antrum in all cases, and grossly, the tumor is whitish to brownish or reddish, and forms a lobulated submucosal or transmural mass.
  • Microscopically, the tumor is characterized by a plexiform growth pattern, the proliferation of cytologically bland spindle cells, and a myxoid stroma that is rich in small vessels and positive for Alcian blue stain.
  • Immunohistochemically, the tumor cells are positive for alpha-smooth muscle actin and negative for KIT and CD34.
  • Differential diagnoses include gastrointestinal stromal tumor and other mesenchymal tumors of the gastrointestinal tract.
  • Some authors proposed that this tumor should be designated as "plexiform fibromyxoma", but this designation might cause confusion.
  • The tumor is probably benign and thus far, neither recurrence nor metastasis has been reported.

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  • (PMID = 20556828.001).
  • [ISSN] 2219-2840
  • [Journal-full-title] World journal of gastroenterology
  • [ISO-abbreviation] World J. Gastroenterol.
  • [Language] eng
  • [Publication-type] Editorial; Review
  • [Publication-country] China
  • [Number-of-references] 24
  • [Other-IDs] NLM/ PMC2887578
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42. ul Bari A, Rahman SB: Acquired smooth muscle hamartoma. Indian J Dermatol Venereol Leprol; 2006 Mar-Apr;72(2):178
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  • [Title] Acquired smooth muscle hamartoma.
  • Smooth muscle hamartoma is an uncommon, usually congenital, cutaneous hyperplasia of the arrectores pilorum muscles.
  • We report a case of this rare tumor in a 19-year-old man.
  • The diagnosis of acquired smooth muscle hamartoma was confirmed on histopathology.
  • The patient was reassured about the benign nature of the lesion and was not advised any treatment.
  • [MeSH-major] Hamartoma / pathology. Muscle, Smooth / pathology

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  • (PMID = 16707840.001).
  • [ISSN] 0378-6323
  • [Journal-full-title] Indian journal of dermatology, venereology and leprology
  • [ISO-abbreviation] Indian J Dermatol Venereol Leprol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] India
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43. Xu AM, Zhang SH, Zheng JM, Zheng WQ, Wu MC: Pathological and molecular analysis of sporadic hepatic angiomyolipoma. Hum Pathol; 2006 Jun;37(6):735-41
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  • We sought to better define the morphological variations and immunohistochemical and molecular features of this unusual tumor.
  • Histologically, HAML is composed of a heterogeneous mixture of blood vessels, smooth muscle, and adipose cells.
  • Most of the tumor cells were positive for HMB-45 (100%) and SMA (100%).
  • Hepatic AML is a benign neoplasm with varied morphology and monoclonal growth.
  • Neither LOH nor MSI appears to play an important role in the pathogenesis of this tumor.
  • [MeSH-major] Angiomyolipoma / genetics. Angiomyolipoma / pathology. Biomarkers, Tumor / analysis. Liver Neoplasms / genetics. Liver Neoplasms / pathology
  • [MeSH-minor] Adult. Aged. Antigens, Neoplasm / analysis. Chromosomes, Human, X. Clone Cells. DNA, Neoplasm / analysis. Female. Hepatectomy. Humans. Immunohistochemistry. Lasers. Male. Melanoma-Specific Antigens. Microdissection. Middle Aged. Muscle, Smooth / cytology. Muscle, Smooth / metabolism. Neoplasm Proteins / analysis. Prospective Studies. Receptors, Androgen / metabolism. Sex Chromosome Aberrations. Tumor Burden

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  • (PMID = 16733215.001).
  • [ISSN] 0046-8177
  • [Journal-full-title] Human pathology
  • [ISO-abbreviation] Hum. Pathol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, Neoplasm; 0 / Biomarkers, Tumor; 0 / DNA, Neoplasm; 0 / Melanoma-Specific Antigens; 0 / Neoplasm Proteins; 0 / Receptors, Androgen
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44. Yu Y, Fuhr J, Boye E, Gyorffy S, Soker S, Atala A, Mulliken JB, Bischoff J: Mesenchymal stem cells and adipogenesis in hemangioma involution. Stem Cells; 2006 Jun;24(6):1605-12
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  • Hemangioma is a benign tumor of infancy whose hallmark is rapid growth during the first year of life followed by slow regression during early childhood.
  • We postulated that mesenchymal stem cells (MSCs) reside in the tumor and preferentially differentiate into adipocytes.
  • These hemangioma-derived MSCs (Hem-MSCs) are similar to MSCs obtained from human bone marrow, expressing the cell surface markers SH2 (CD105), SH3, SH4, CD90, CD29, smooth muscle alpha-actin, and CD133 but not the hematopoietic markers CD45 and CD14 or the hematopoietic/endothelial markers CD34, CD31, and kinase insert domain receptor (KDR).
  • [MeSH-minor] Antigens, Neoplasm / metabolism. Cell Differentiation. Cell Proliferation. Clone Cells / pathology. Female. Granuloma, Pyogenic / genetics. Granuloma, Pyogenic / immunology. Granuloma, Pyogenic / pathology. Humans. Infant. Infant, Newborn. Neoplasm Regression, Spontaneous / pathology. Neoplastic Stem Cells / pathology. Skin Neoplasms / genetics. Skin Neoplasms / immunology. Skin Neoplasms / pathology. X Chromosome Inactivation

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  • (PMID = 16456130.001).
  • [ISSN] 1066-5099
  • [Journal-full-title] Stem cells (Dayton, Ohio)
  • [ISO-abbreviation] Stem Cells
  • [Language] eng
  • [Grant] United States / NIAMS NIH HHS / AR / P01 AR 048564
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, Neoplasm
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45. Barroeta JE, Pasha TL, Acs G, Zhang PJ: Immunoprofile of endocervical and endometrial stromal cells and its potential application in localization of tumor involvement. Int J Gynecol Pathol; 2007 Jan;26(1):76-82
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  • [Title] Immunoprofile of endocervical and endometrial stromal cells and its potential application in localization of tumor involvement.
  • To evaluate and compare the immunophenotype of endocervical and endometrial stromal cells and to asses its potential application in tumor localization.
  • Paraffin sections of benign endocervix (n = 24), benign endometrium (n = 33), endocervical adenocarcinoma (n = 9), endometrial carcinoma (n = 13), and endometrial hyperplasia (n = 16) were stained with antibodies to CD10, Wilms Tumor-1, CD34, smooth muscle actin, and factor XIIIa by immunohistochemistry.
  • Endocervical stromal cells (ECSC) in either benign or malignant cervical epithelial lesions were predominantly CD34/CD10 (CD34 dominant immunophenotype).
  • Endometrial stromal cells (EMSCs) in either benign or malignant epithelial lesions were primarily CD34/CD10 (CD10 dominant immunophenotype).
  • Expression of Wilms Tumor-1 was decreased in EMSC of the EMCA when compared to their counterpart in endometrial hyperplasia.
  • There was no differential expression of smooth muscle actin and factor XIIIa identified between ECSC and EMSC.
  • The pattern of CD34 and CD10 immunostaining in stromal cells might be helpful in determining tumor involvement in uterine and cervical sites.

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  • (PMID = 17197901.001).
  • [ISSN] 0277-1691
  • [Journal-full-title] International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists
  • [ISO-abbreviation] Int. J. Gynecol. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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46. Jevremovic D, Lager DJ, Lewin M: Cystic nephroma (multilocular cyst) and mixed epithelial and stromal tumor of the kidney: a spectrum of the same entity? Ann Diagn Pathol; 2006 Apr;10(2):77-82
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  • [Title] Cystic nephroma (multilocular cyst) and mixed epithelial and stromal tumor of the kidney: a spectrum of the same entity?
  • The recently described mixed epithelial and stromal tumor (MEST) of the kidney and adult cystic nephroma (CN) (multilocular cyst) are rare benign cystic renal neoplasms that are composed of epithelial and stromal elements.
  • All cases had areas with increased stromal cellularity and 8 cases had ovarian-like stroma present at least focally within the tumor.
  • The immunoprofile was also similar in the 7 cases stained and included epithelial reactivity with keratin and CAM 5.2 and stromal reactivity with estrogen receptor, progesterone receptor, smooth muscle actin, WT-1, vimentin, and focal desmin.
  • All cases have acted in a benign fashion with no history of recurrence or metastasis.
  • [MeSH-minor] Adult. Aged. Biomarkers, Tumor / analysis. Diagnosis, Differential. Female. Humans. Male. Middle Aged. Neoplasms, Glandular and Epithelial / metabolism. Neoplasms, Glandular and Epithelial / pathology. Stromal Cells

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  • (PMID = 16546041.001).
  • [ISSN] 1092-9134
  • [Journal-full-title] Annals of diagnostic pathology
  • [ISO-abbreviation] Ann Diagn Pathol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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47. Tezval H, Jurk S, Atschekzei F, Serth J, Kuczyk MA, Merseburger AS: The involvement of altered corticotropin releasing factor receptor 2 expression in prostate cancer due to alteration of anti-angiogenic signaling pathways. Prostate; 2009 Mar 1;69(4):443-8
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  • BACKGROUND: Expression of urocortin (Ucn) in the human benign prostate and prostate cancer has been reported recently.
  • Activation of CRFR2 has been shown to inhibit tumor growth by regulation of proliferation and apoptosis as well as suppression of vascularization.
  • IF study exhibited that smooth muscle components of the stroma and endothelial cells of blood vessels express an extensive staining for CRFR2.
  • In a lesser extend vascular smooth muscle cells expressed CRFR2.
  • CONCLUSIONS: The present study demonstrates for the first time that human benign prostate tissue and prostate cancer specimen differentially express CRFR2.

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  • [Copyright] 2008 Wiley-Liss, Inc.
  • (PMID = 19058138.001).
  • [ISSN] 1097-0045
  • [Journal-full-title] The Prostate
  • [ISO-abbreviation] Prostate
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / CRF receptor type 2; 0 / RNA, Messenger; 0 / Receptors, Corticotropin-Releasing Hormone; 0 / Urocortins
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48. Fine SW, Davis NJ, Lykins LE, Montgomery E: Solitary testicular myofibroma: a case report and review of the literature. Arch Pathol Lab Med; 2005 Oct;129(10):1322-5
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  • Myofibromas are benign mesenchymal neoplasms of myofibroblastic origin.
  • Histologically, the lesion exhibited small fascicles of plump eosinophilic, smooth muscle actin-positive spindle cells, alternating with larger areas of primitive cells with vesicular nuclei and scant cytoplasm arranged around a hemangiopericytoma-like vasculature.
  • [MeSH-minor] Actins / analysis. Biomarkers, Tumor / analysis. Diagnosis, Differential. Fasciitis / diagnosis. Hamartoma / diagnosis. Histiocytoma, Benign Fibrous / diagnosis. Humans. Infant. Male. Neurofibroma / diagnosis. Orchiectomy. Sex Cord-Gonadal Stromal Tumors / diagnosis

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  • (PMID = 16196524.001).
  • [ISSN] 1543-2165
  • [Journal-full-title] Archives of pathology & laboratory medicine
  • [ISO-abbreviation] Arch. Pathol. Lab. Med.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Actins; 0 / Biomarkers, Tumor
  • [Number-of-references] 15
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49. Koletsa T, Karayannopoulou G, Dereklis D, Vasileiadis I, Papadimitriou CS, Hytiroglou P: Mesectodermal leiomyoma of the ciliary body: report of a case and review of the literature. Pathol Res Pract; 2009;205(2):125-30
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  • Mesectodermal leiomyoma of the ciliary body is a rare benign tumor with double (muscular and neural) differentiation.
  • This neoplasm is considered to originate from the ciliary body smooth muscle, a neural crest derivative.
  • The tumor measured 1.2cm in greatest dimension, and consisted of spindle and ovoid cells with abundant fibrillary cytoplasmic processes.
  • Immunohistochemical stains revealed positivity for smooth muscle actin, caldesmon, neuron-specific enolase, and CD56 antigen.
  • A review of the 23 cases thus far reported in the literature shows a striking predilection for women, as well as significant difficulties in differentiating this tumor from malignant melanoma on clinical grounds.
  • [MeSH-minor] Adolescent. Adult. Biomarkers, Tumor / analysis. Child. Female. Humans. Immunohistochemistry. Male. Middle Aged

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  • (PMID = 18930601.001).
  • [ISSN] 0344-0338
  • [Journal-full-title] Pathology, research and practice
  • [ISO-abbreviation] Pathol. Res. Pract.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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50. Lau SK, Weiss LM, Chu PG: Myxoid solitary fibrous tumor: a clinicopathologic study of three cases. Virchows Arch; 2009 Feb;454(2):189-94
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  • [Title] Myxoid solitary fibrous tumor: a clinicopathologic study of three cases.
  • Due to their rarity, the biologic behavior of myxoid solitary fibrous tumor has not been determined.
  • Three cases of myxoid solitary fibrous tumor are described in order to better characterize the clinical and pathologic features of this uncommon variant of solitary fibrous tumor.
  • Histologically, all cases were characterized predominantly by the presence of myxoid stroma comprising 70% to 100% of the tumor.
  • The tumor cells were predominantly spindled in all cases, and arranged randomly, in loose fascicles, or in anastomosing strands imparting a microcystic/reticular appearance.
  • By immunohistochemistry, all cases were positive for CD34, CD99, and bcl-2, and negative for keratin, epithelial membrane antigen, desmin, actin, smooth muscle actin, and S-100 protein.
  • To date, all cases have followed a benign course without evidence of recurrence or metastasis with a follow-up duration ranging from 50 to 87 months.

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  • (PMID = 19125290.001).
  • [ISSN] 1432-2307
  • [Journal-full-title] Virchows Archiv : an international journal of pathology
  • [ISO-abbreviation] Virchows Arch.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
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51. Ausmus GG, Piliang MP, Bergfeld WF, Goldblum JR: Soft-tissue perineurioma in a 20-year-old patient with neurofibromatosis type 1 (NF1): report of a case and review of the literature. J Cutan Pathol; 2007 Sep;34(9):726-30
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • BACKGROUND: Perineurioma is a rare benign soft-tissue tumor composed of cells showing differentiation toward the perineurial cells of the nerve sheath.
  • Although mutations in the neurofibromatosis 2 (NF2) gene have been documented in this tumor, there is no known association between perineuriomas and type 1 or 2 NF.
  • RESULTS: Histopathologic examination revealed a 2.0-cm well-circumscribed, spindle-cell neoplasm with slender, elongated, bipolar, wavy cytoplasmic processes and wavy, elongated nuclei in a hyalinized stroma with focal myxoid areas.
  • Immunohistochemistry showed positive labeling for epithelial membrane antigen (EMA) but no staining for S-100 and smooth muscle actin (SMA).
  • [MeSH-minor] Adult. Biomarkers, Tumor / metabolism. Female. Humans. Mucin-1 / metabolism. Thorax. Tomography, X-Ray Computed. Treatment Outcome


52. Rodríguez PM, Freixinet JL, Plaza ML, Camacho R: Unusual primary pleural leiomyoma. Interact Cardiovasc Thorac Surg; 2010 Mar;10(3):441-2
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  • A computed tomography confirmed the existence of a solid right pleural tumor which had compressed and displaced the lung, mediastinum and heart.
  • Percutaneous biopsy showed a 'proliferation of smooth muscle cells without evidence of malignancy'.
  • Surgical excision was done and the tumor was not associated to vascular, broncho-pulmonary or mediastinal structures.
  • Primary pleural leiomyoma should be included in a differential diagnosis of pleural tumors and suspected in asymptomatic patients with radiologically-apparent benign tumors and the presence of smooth muscle fibers in the biopsy.

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  • (PMID = 20040476.001).
  • [ISSN] 1569-9285
  • [Journal-full-title] Interactive cardiovascular and thoracic surgery
  • [ISO-abbreviation] Interact Cardiovasc Thorac Surg
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] England
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53. Kyprianou N, Vaughan TB, Michel MC: Apoptosis induction by doxazosin and other quinazoline alpha1-adrenoceptor antagonists: a new mechanism for cancer treatment? Naunyn Schmiedebergs Arch Pharmacol; 2009 Dec;380(6):473-7
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  • Doxazosin and related, quinazoline-based alpha(1)-adrenoceptor antagonists can induce apoptosis in prostate and various other normal, benign, smooth muscle, endothelial and malignant cells.
  • These include various tumor cells, cardiomyocytes, endothelial cells and bladder smooth muscle cells.

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  • (PMID = 19904527.001).
  • [ISSN] 1432-1912
  • [Journal-full-title] Naunyn-Schmiedeberg's archives of pharmacology
  • [ISO-abbreviation] Naunyn Schmiedebergs Arch. Pharmacol.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / R01 CA107575
  • [Publication-type] Editorial; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Adrenergic alpha-1 Receptor Antagonists; 0 / Adrenergic alpha-Antagonists; 0 / Antineoplastic Agents; 0 / Quinazolines; NW1291F1W8 / Doxazosin
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54. Piura B, Rabinovich A, Sinelnikov I, Delgado B: Tailgut cyst initially misdiagnosed as ovarian tumor. Arch Gynecol Obstet; 2005 Oct;272(4):301-3
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  • [Title] Tailgut cyst initially misdiagnosed as ovarian tumor.
  • It is usually benign and located in the retrorectal/presacral space.
  • The initial diagnosis was neoplasm of the right ovary.
  • Microscopic examination revealed that the wall of the cystic mass consists of a lining epithelium composed of columnar and squamous epithelium and a stroma composed of fibrous tissue containing scattered discontinuous bundles of smooth muscle fibers.

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  • (PMID = 16041543.001).
  • [ISSN] 0932-0067
  • [Journal-full-title] Archives of gynecology and obstetrics
  • [ISO-abbreviation] Arch. Gynecol. Obstet.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Germany
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55. Senay S, Kaya U, Cagil H, Demirkiran F, Alhan C: Surgical management of intravenous leiomyoma with cardiac extension. Do we need total circulatory arrest? Thorac Cardiovasc Surg; 2007 Aug;55(5):322-3
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  • Intravenous leiomyoma of the uterus is a histologically benign, smooth-muscle tumor and may extend through the inferior vena cava into the right atrium.
  • Surgical treatment is mandatory and single-stage resection of the tumor has gained wide acceptance as a safe and easy procedure.
  • [MeSH-major] Angiomyoma / pathology. Angiomyoma / surgery. Heart Arrest, Induced. Neoplasm Recurrence, Local / pathology. Uterine Neoplasms / pathology. Uterus / blood supply. Uterus / pathology. Vena Cava, Inferior / pathology

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  • (PMID = 17629864.001).
  • [ISSN] 0171-6425
  • [Journal-full-title] The Thoracic and cardiovascular surgeon
  • [ISO-abbreviation] Thorac Cardiovasc Surg
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Germany
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56. Rathi KR, Jena J, Dash BM, Mitra D, Patnaik PK, Basu AR: Extradigital glomus tumor as a cause of chronic perianal pain. Indian J Pathol Microbiol; 2009 Jul-Sep;52(3):414-6
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  • [Title] Extradigital glomus tumor as a cause of chronic perianal pain.
  • Glomus tumor is a rare perivascular benign tumor arising from the Sucquet-Hoyer canal of the normal glomus body, most commonly in the digital areas.
  • We report a serving soldier with such a tumor in an atypical site, the perianal region, presenting with episodic shooting pain.
  • Histopathology revealed a well-circumscribed tumor composed of clusters of monotonous polygonal cells surrounding capillary-sized blood vessels.
  • Tumor cells also showed immunopositivity for smooth muscle antigen and vimentin.
  • [MeSH-major] Anus Neoplasms / diagnosis. Anus Neoplasms / pathology. Glomus Tumor / diagnosis. Glomus Tumor / pathology
  • [MeSH-minor] Histocytochemistry. Humans. Immunohistochemistry. Male. Muscle, Smooth. Pain / etiology. Vimentin / analysis. Young Adult

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  • (PMID = 19679979.001).
  • [ISSN] 0974-5130
  • [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
  • [Chemical-registry-number] 0 / Vimentin
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57. Tzanakis NE, Giannopoulos GA, Efstathiou SP, Rallis GE, Nikiteas NI: Angiomyofibroblastoma of the spermatic cord: a case report. J Med Case Rep; 2010;4:79
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  • INTRODUCTION: Angiomyofibroblastoma is a benign soft tissue tumor with tendency to arise in the vulva.
  • At operation, a 4.5 cm well-circumscribed solid tumor was found adherent to the spermatic cord.
  • The tumor consisted of spindle-shaped cells proliferating in short fascicles between numerous medium-sized blood vessels with thin and hyalinized walls.
  • Immunostaining showed positivity for vimentin, CD34, desmin and smooth muscle actin.
  • CONCLUSION: This unusual neoplasm should be distinguished from aggressive angiomyxoma and other myxoid malignant tumors with widespread metastatic potential.

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  • (PMID = 20202207.001).
  • [ISSN] 1752-1947
  • [Journal-full-title] Journal of medical case reports
  • [ISO-abbreviation] J Med Case Rep
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC2838917
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58. Hoekzema R, Zonneveld IM, van der Wal AC: Type 2 segmental glomangiomas. Dermatol Online J; 2010;16(1):8
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  • Glomangiomas of the skin, currently named glomuvenous malformations (GVMs), are benign vascular lesions composed of thin-walled distorted blood vessels, surrounded by variable rows of glomus cells.
  • These cells resemble the modified smooth muscle cells of the normal glomus body.
  • Glomuvenous malformations occur after both alleles of the gene encoding for glomulin, a molecule involved in smooth muscle cell differentiation, are hit by a loss-of-function mutation.
  • [MeSH-major] Adaptor Proteins, Signal Transducing / genetics. Glomus Tumor / pathology. Neoplasms, Multiple Primary / pathology. Skin Neoplasms / pathology
  • [MeSH-minor] Adult. Biopsy. Germ-Line Mutation. Humans. Loss of Heterozygosity. Male. Myocytes, Smooth Muscle / pathology. Thigh. Thorax. Wrist

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  • (PMID = 20137750.001).
  • [ISSN] 1087-2108
  • [Journal-full-title] Dermatology online journal
  • [ISO-abbreviation] Dermatol. Online J.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Adaptor Proteins, Signal Transducing; 0 / GLMN protein, human
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59. González Sánchez MA, Colorado Bonnin M, Berini Aytés L, Gay Escoda C: Leiomyoma of the hard palate: a case report. Med Oral Patol Oral Cir Bucal; 2007 May;12(3):E221-4
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  • Leiomyoma is a benign smooth muscle tumor that is very rarely located in the oral cavity.
  • It is accepted that the smooth muscle giving rise to this tumor corresponds to the tunica media of the arteries.
  • The tumor can develop at any age, with no clear gender predilection, and typically manifests as a slow-growing, asymptomatic lesion.
  • We present the case of a 57-year-old male with a tumor located for the previous four months in the region of the hard palate, adjacent to the left upper premolars.

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  • (PMID = 17468719.001).
  • [ISSN] 1698-6946
  • [Journal-full-title] Medicina oral, patología oral y cirugía bucal
  • [ISO-abbreviation] Med Oral Patol Oral Cir Bucal
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Spain
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61. Zarbis N, Barth TF, Blumstein NM, Schelzig H: Pecoma of the lung: a benign tumor with extensive 18F-2-deoxy-D-glucose uptake. Interact Cardiovasc Thorac Surg; 2007 Oct;6(5):676-8
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  • [Title] Pecoma of the lung: a benign tumor with extensive 18F-2-deoxy-D-glucose uptake.
  • Pecomas of the lung--which include the better known clear cell 'sugar' tumor--are a subset of extremely rare lung tumors which usually react positively to both melanocytic and smooth muscle markers.
  • Although widely presumed as benign in computed tomography (CT) and positron emission tomography (PET)/CT studies they depict as malignant, thus complicating the preoperative diagnosis.

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  • (PMID = 17670735.001).
  • [ISSN] 1569-9285
  • [Journal-full-title] Interactive cardiovascular and thoracic surgery
  • [ISO-abbreviation] Interact Cardiovasc Thorac Surg
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Radiopharmaceuticals; 0Z5B2CJX4D / Fluorodeoxyglucose F18
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62. Anderson SE, Nonaka D, Chuai S, Olshen AB, Chi D, Sabbatini P, Soslow RA: p53, epidermal growth factor, and platelet-derived growth factor in uterine leiomyosarcoma and leiomyomas. Int J Gynecol Cancer; 2006 Mar-Apr;16(2):849-53
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • Although ULMS are often found in association with benign leiomyoma (LMA), little is known regarding the relationship between these benign and malignant smooth muscle neoplasms.
  • The objective of this study was to evaluate the expression of epidermal growth factor (EGFR), platelet-derived growth factor (PDGFR), and p53 in ULMS specimens, their prognostic relevance, and the expression of these molecular markers when compared to benign LMA specimens.
  • Tissue microarray was created with three representative cores from each of the ULMS cases as well as from 19 patients with benign uterine leiomyomata.
  • ULMS tumor stage had the strongest association with overall survival (P= 0.05).
  • [MeSH-major] Epidermal Growth Factor / metabolism. Leiomyoma / metabolism. Leiomyosarcoma / metabolism. Platelet-Derived Growth Factor / metabolism. Tumor Suppressor Protein p53 / metabolism. Uterine Neoplasms / metabolism


63. Teng XD, Yu XR, Wang GH, Xu LJ, Lai MD: [Sclerosing angiomatoid nodular transformation of spleen]. Zhonghua Bing Li Xue Za Zhi; 2007 Feb;36(2):118-21
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  • Smooth muscle actin revealed conglomerates of spindly shaped cells around and between the vascular channels.
  • CONCLUSIONS: Sclerosing angiomatoid nodular transformation is a rarely encountered benign lesion of the spleen, which should be distinguished from other angiomatoid tumors and tumor-like lesions.

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  • (PMID = 17493387.001).
  • [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] English Abstract; Journal Article
  • [Publication-country] China
  • [Chemical-registry-number] 0 / Antigens, CD31; 0 / Antigens, CD34; 0 / Antigens, CD8
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64. Li T, Fan J, Qin LX, Zhou J, Sun HC, Wang L, Ye QH, Qiu SJ, Tang ZY: [A clinicopathologic study of hepatic angiomyolipoma]. Zhonghua Wai Ke Za Zhi; 2009 Oct 15;47(20):1536-9
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  • Histopathologically, HAML was composed of a heterogeneous mixture of blood vessels, smooth muscle, and adipose cells.
  • CONCLUSIONS: HAML is a rare benign mesenchymal tumor of the liver.

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  • (PMID = 20092740.001).
  • [ISSN] 0529-5815
  • [Journal-full-title] Zhonghua wai ke za zhi [Chinese journal of surgery]
  • [ISO-abbreviation] Zhonghua Wai Ke Za Zhi
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] China
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65. Lesma E, Grande V, Carelli S, Brancaccio D, Canevini MP, Alfano RM, Coggi G, Di Giulio AM, Gorio A: Isolation and growth of smooth muscle-like cells derived from tuberous sclerosis complex-2 human renal angiomyolipoma: epidermal growth factor is the required growth factor. Am J Pathol; 2005 Oct;167(4):1093-103
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  • [Title] Isolation and growth of smooth muscle-like cells derived from tuberous sclerosis complex-2 human renal angiomyolipoma: epidermal growth factor is the required growth factor.
  • Tuberous sclerosis complex (TSC) is a tumor suppressor gene disorder characterized by mutations in the TSC1 or TSC2 genes.
  • These mutations lead to the development of benign tumors involving smooth muscle cells, causing life-threatening lymphangioleiomyomatosis.
  • We isolated and characterized two types of cells bearing a mutation in TSC2 exon 18 from a renal angiomyolipoma of a TSC patient: one population of alpha-actin-positive smooth muscle-like cells with loss of heterozygosity for the TSC2 gene (A(+) cells) and another of nonloss of heterozygosity keratin 8/18-positive epithelial-like cells (R(+) cells).
  • Unlike control aortic vascular smooth muscle cells, A(+) cells required epidermal growth factor (EGF) to grow and substituting EGF with insulin-like growth factor (IGF)-1 failed to increase the cell number; however, omission of EGF did not cause cell loss.
  • [MeSH-major] Angiomyolipoma / pathology. Epidermal Growth Factor / physiology. Muscle, Smooth / growth & development. Tuberous Sclerosis / pathology. Tumor Suppressor Proteins / metabolism
  • [MeSH-minor] Actins / metabolism. Adult. Aorta / cytology. Cell Culture Techniques. Cell Proliferation. Cell Survival / drug effects. DNA Mutational Analysis. Exons. Female. Fluorescein-5-isothiocyanate. Fluorescent Antibody Technique, Indirect. Fluorescent Dyes. Genes, Tumor Suppressor. Genetic Markers. Humans. Immunohistochemistry. Insulin-Like Growth Factor I / pharmacology. Insulin-Like Growth Factor I / secretion. Keratins / metabolism. Loss of Heterozygosity. Microsatellite Repeats. Muscle, Smooth, Vascular / chemistry. Muscle, Smooth, Vascular / cytology. Muscle, Smooth, Vascular / growth & development. Muscle, Smooth, Vascular / metabolism. Mutation. Phosphorylation. Rhodamines. Ribosomal Protein S6 Kinases, 70-kDa / metabolism

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  • Archivio Istituzionale della Ricerca Unimi. Full text from AIR - Univ. Milan .
  • Faculty of 1000. commentaries/discussion - See the articles recommended by F1000Prime's Faculty of more than 8,000 leading experts in Biology and Medicine. (subscription/membership/fee required).
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  • (PMID = 16192644.001).
  • [ISSN] 0002-9440
  • [Journal-full-title] The American journal of pathology
  • [ISO-abbreviation] Am. J. Pathol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Actins; 0 / Fluorescent Dyes; 0 / Genetic Markers; 0 / Rhodamines; 0 / Tumor Suppressor Proteins; 0 / tuberous sclerosis complex 1 protein; 4JG2LF96VF / tuberous sclerosis complex 2 protein; 62229-50-9 / Epidermal Growth Factor; 67763-96-6 / Insulin-Like Growth Factor I; 68238-35-7 / Keratins; EC 2.7.11.1 / Ribosomal Protein S6 Kinases, 70-kDa; EC 2.7.11.1 / ribosomal protein S6 kinase, 70kD, polypeptide 2; I223NX31W9 / Fluorescein-5-isothiocyanate
  • [Other-IDs] NLM/ PMC1603666
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66. Dao LN, Scheithauer BW, Erlandson RA, Young WF Jr, Aidan Carney J: Divergent myoid, neuroendocrine, and perineural differentiation in a nasal tumor of a patient with Carney complex. Am J Surg Pathol; 2008 Jan;32(1):167-71
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  • [Title] Divergent myoid, neuroendocrine, and perineural differentiation in a nasal tumor of a patient with Carney complex.
  • Computed tomography showed bilateral thalamic infarctions and also an unsuspected multicompartmental cystic neoplasm that had eroded the anterior clivus and extended forward into the nasopharynx.
  • Histologically, the mass appeared benign and was composed of spindle cells and multiple foci of striated muscle.
  • Immunohistochemically, the spindle cells were strongly reactive for S-100 protein and to a lesser extent for CD57, collagen IV, neuron-specific enolase, smooth muscle actin, epithelial membrane antigen, and glut-1.
  • The striated muscle cells were positive for desmin and myogenin.
  • Ultrastructurally, the spindle cells showed divergent differentiation along several cell lines, including smooth muscle, neuroendocrine, hybrid smooth muscle-neuroendocrine, perineural-like cells, and striated muscle.
  • [MeSH-major] Neoplasms, Muscle Tissue / ultrastructure. Neoplastic Syndromes, Hereditary / pathology. Nose Neoplasms / ultrastructure. Perineum / pathology


67. Rammeh-Rommani S, Mokni M, Stita W, Trabelsi A, Hamissa S, Sriha B, Tahar-Yacoubi M, Korbi S: [Uterine smooth muscle tumors: retrospective epidemiological and pathological study of 2760 cases]. J Gynecol Obstet Biol Reprod (Paris); 2005 Oct;34(6):568-71
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  • [Title] [Uterine smooth muscle tumors: retrospective epidemiological and pathological study of 2760 cases].
  • INTRODUCTION: Smooth muscle tumors of the uterus are frequent.
  • Most of them are benign.
  • OBJECTIVES: The purpose of our work is to study cases of leiomyosarcomas, cellular leiomyoma, atypical leiomyoma and mitotically active leiomyoma among a large series of uterine smooth muscle tumors.
  • MATERIALS AND METHODS: We reviewed retrospectively 2760 uterine smooth muscle tumors.
  • RESULTS: Review of the slides demonstrated: 12 mitotically active leiomyomas, 18 cellular leiomyomas, 20 atypical leiomyomas, 16 leiomysarcomas, only one case of smooth muscle tumor of uncertain malignant potential.
  • [MeSH-minor] Female. Humans. Leiomyoma / epidemiology. Leiomyoma / pathology. Neoplasm Recurrence, Local. Retrospective Studies

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  • (PMID = 16208199.001).
  • [ISSN] 0368-2315
  • [Journal-full-title] Journal de gynécologie, obstétrique et biologie de la reproduction
  • [ISO-abbreviation] J Gynecol Obstet Biol Reprod (Paris)
  • [Language] fre
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] France
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68. Jun F, Li L, Ning L, Yan L, Siquan T, Shixi L: Giant laryngeal angioleiomyomas: a case report with review of literature. Am J Otolaryngol; 2009 May-Jun;30(3):219-20
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  • We report a recently encountered case of vascular leiomyoma in the larynx, a benign tumor that is rare in the organ, in a 52-year-old man.
  • Laryngoscope revealed many spherical tumors interlacing together with a smooth surface, measuring approximately 2x4 cm and covered with normal mucosa, found at the side of laryngeal epiglottis from its margin to supraglottis.
  • Histologic study showed smooth muscle cell proliferation, especially surrounded by an abundance of blood vessels, and the tumor was diagnosed as a vascular leiomyoma.
  • Tracheotomy was required in this case depending on the occurrence site if the tumor and its size.

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  • (PMID = 19410131.001).
  • [ISSN] 1532-818X
  • [Journal-full-title] American journal of otolaryngology
  • [ISO-abbreviation] Am J Otolaryngol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 10
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69. Suzuki T, Ueda Y, Shincho M, Mitsui Y, Higuchi Y, Maruyama T, Kondoh N, Nojima M, Yamamoto S, Hirota S, Shima H: [Myolipoma arising from the renal capsule: a case report]. Hinyokika Kiyo; 2008 May;54(5):349-52
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  • Computed tomorraphy and magnetic resonance imaging showed that the tumor was mixed with muscle and fat tissue, faintly enhanced, and located at the lower portion of the left kidney.
  • Although renal angiomyolipoma (AML) was suspected from these findings, we could not rule out a malignant tumor.
  • Histopathological examination revealed the tumor composed of smooth muscle and mature adipose tissue without cytological atypia arising from the renal capsule.
  • The tumor contained no AML-like blood vessels, and was negative for HMB-45 staining.
  • Myolipoma is a rare benign neoplasm in the soft tissue of retroperitoneum and abdominal cavity.
  • Since it is difficult to distinguish myolipoma from other benign and malignant tumors with fat tissue only by imaging studies, a surgical approach should be considered.

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  • (PMID = 18546859.001).
  • [ISSN] 0018-1994
  • [Journal-full-title] Hinyokika kiyo. Acta urologica Japonica
  • [ISO-abbreviation] Hinyokika Kiyo
  • [Language] jpn
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Japan
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70. Wachter DL, Büttner MJ, Grimm K, Hartmann A, Agaimy A: Leiomyoma of the gallbladder: a case report with review of the literature and discussion of the differential diagnosis. J Clin Pathol; 2010 Feb;63(2):177-9
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  • To our knowledge, only a few patients with multiple Epstein-Barr virus (EBV)-associated smooth muscle tumours of the gallbladder in the setting of immunodeficiency have been reported in the English literature, but no single case of conventional leiomyoma has been well documented to date.
  • Histology and immunohistochemistry were consistent with a benign smooth muscle neoplasm that is very similar to conventional uterine leiomyoma.

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  • (PMID = 20154041.001).
  • [ISSN] 1472-4146
  • [Journal-full-title] Journal of clinical pathology
  • [ISO-abbreviation] J. Clin. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] England
  • [Number-of-references] 10
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71. Ikeda K, Kuroda M, Sakaida N, Maehara M, Ohmura N, Sawada S: Cellular leiomyoma of the nasal cavity: findings of CT and MR imaging. AJNR Am J Neuroradiol; 2005 Jun-Jul;26(6):1336-8
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  • Nasal leiomyoma, a benign tumor composed of smooth muscle cells, is rare in the head and neck region.

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  • (PMID = 15956493.001).
  • [ISSN] 0195-6108
  • [Journal-full-title] AJNR. American journal of neuroradiology
  • [ISO-abbreviation] AJNR Am J Neuroradiol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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72. Lee CH, Turbin DA, Sung YC, Espinosa I, Montgomery K, van de Rijn M, Gilks CB: A panel of antibodies to determine site of origin and malignancy in smooth muscle tumors. Mod Pathol; 2009 Dec;22(12):1519-31
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  • [Title] A panel of antibodies to determine site of origin and malignancy in smooth muscle tumors.
  • Leiomyosarcomas are malignant smooth muscle tumors that occur most commonly in the gynecologic tract and soft tissue.
  • There are different diagnostic criteria of malignancy for smooth muscle tumors arising at gynecologic and soft tissue sites and they may be managed differently but determining the primary site of a smooth muscle tumor can be difficult in some cases.
  • In addition, the distinction between malignant and benign gynecologic tract smooth muscle tumors on morphologic grounds can be challenging.
  • In addition, we examined whether immunostains for p16, p53 and Ki-67 could distinguish between malignant and benign gynecologic smooth muscle tumors.
  • Diffuse p16 and p53 immunopositivity and high Ki-67 proliferation index, singly or in combination, yielded an overall sensitivity of 92% and specificity of 98% for distinguishing between gynecologic leiomyosarcomas and leiomyomas and can be used as indicators of malignancy for gynecologic smooth muscle tumors.
  • [MeSH-major] Immunohistochemistry. Leiomyoma / chemistry. Leiomyosarcoma / chemistry. Muscle Neoplasms / chemistry. Muscle, Smooth / chemistry. Uterine Neoplasms / chemistry. WT1 Proteins / analysis
  • [MeSH-minor] Adult. Antibodies. Biomarkers, Tumor / analysis. Canada. Cell Nucleus / chemistry. Cyclin-Dependent Kinase Inhibitor p16 / analysis. Diagnosis, Differential. Europe. Female. Humans. Kaplan-Meier Estimate. Ki-67 Antigen / analysis. Male. Middle Aged. Predictive Value of Tests. Receptors, Estrogen / analysis. Sensitivity and Specificity. Tissue Array Analysis. Tumor Suppressor Protein p53 / analysis. United States

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  • (PMID = 19734847.001).
  • [ISSN] 1530-0285
  • [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 / CA112270
  • [Publication-type] Journal Article; Multicenter Study; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antibodies; 0 / Biomarkers, Tumor; 0 / Cyclin-Dependent Kinase Inhibitor p16; 0 / Ki-67 Antigen; 0 / Receptors, Estrogen; 0 / TP53 protein, human; 0 / Tumor Suppressor Protein p53; 0 / WT1 Proteins
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73. de Moraes Schenka NG, Schenka AA, de Souza Queiroz L, de Almeida Matsura M, Alvarenga M, Vassallo J: p63 and CD10: reliable markers in discriminating benign sclerosing lesions from tubular carcinoma of the breast? Appl Immunohistochem Mol Morphol; 2006 Mar;14(1):71-7
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  • [Title] p63 and CD10: reliable markers in discriminating benign sclerosing lesions from tubular carcinoma of the breast?
  • The immunohistochemical detection of myoepithelial cells in benign sclerosing lesions of the breast is useful in distinguishing them from tubular carcinoma.
  • So far, this detection has been carried out using antibodies against cytoskeletal proteins, such as alpha-smooth muscle actin (1A4) and calponin.
  • However, the specificity of these markers has been questioned since they may be expressed in stromal myofibroblasts and vascular smooth muscle.
  • The authors assessed the use of p63 and CD10 in the differential diagnosis between benign sclerosing lesions, such as sclerosing adenosis and radial scar, and tubular carcinoma, in comparison to the traditional myoepithelial markers 1A4 and calponin. p63, CD10, 1A4, and calponin were expressed in myoepithelial cells of all benign lesions and were consistently negative in all cases of tubular carcinoma.
  • In conclusion, p63 and CD10 may be used as a complement to 1A4 in distinguishing benign sclerosing lesions from tubular carcinoma of the breast.

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  • (PMID = 16540734.001).
  • [ISSN] 1541-2016
  • [Journal-full-title] Applied immunohistochemistry & molecular morphology : AIMM
  • [ISO-abbreviation] Appl. Immunohistochem. Mol. Morphol.
  • [Language] ENG
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / DNA-Binding Proteins; 0 / Phosphoproteins; 0 / TP63 protein, human; 0 / Trans-Activators; 0 / Transcription Factors; 0 / Tumor Suppressor Proteins; EC 3.4.24.11 / Neprilysin
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74. Katsuragi N, Shiraishi Y, Kita H, Hashizume M, Miyasaka Y, Tanaka S: [Endobronchial neurinoma treated with left lower lobectomy]. Kyobu Geka; 2007 Feb;60(2):104-8
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  • Benign endobronchial tumors are rare, and among these endobronchial neurinoma is extremely rare.
  • On immunohistochemical staining, the tumor was positive for S-100 protein and negative for a-smooth muscle actin.

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  • (PMID = 17305074.001).
  • [ISSN] 0021-5252
  • [Journal-full-title] Kyobu geka. The Japanese journal of thoracic surgery
  • [ISO-abbreviation] Kyobu Geka
  • [Language] jpn
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Japan
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75. Yang S, Chen X, Wang L, Zhang J: Non-sebaceous lymphadenoma of the salivary gland: case report with immunohistochemical investigation. Virchows Arch; 2007 May;450(5):595-9
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  • Non-sebaceous lymphadenoma (NSL) is a rare, recently described, benign salivary gland tumor characterized by a dense lymphoid infiltrate and absence of sebaceous differentiation.
  • The tumor was encapsulated and measured 3 x 2 x 2 cm.
  • Microscopically, the tumor comprised islands of epithelial cells with centrally located duct-like structures within a dense lymphoid stroma.
  • Immunohistochemically, the tumor regularly expressed CKs 7, 8/18, and 19, which are typical for columnar differentiation and CKs 17 and 5/6, which are most typically expressed in basal cells of complex epithelia.
  • Additionally, immunostaining for smooth muscle actin, vimentin, and S-100 was also performed.
  • [MeSH-minor] Biomarkers, Tumor / analysis. Female. Humans. Keratins / analysis. Middle Aged. Treatment Outcome

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  • (PMID = 17431672.001).
  • [ISSN] 0945-6317
  • [Journal-full-title] Virchows Archiv : an international journal of pathology
  • [ISO-abbreviation] Virchows Arch.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 68238-35-7 / Keratins
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76. Adachi Y, Horie Y, Kitamura Y, Nakamura H, Taniguchi Y, Miwa K, Fujioka S, Nishimura M, Hayashi K: CD1a expression in PEComas. Pathol Int; 2008 Mar;58(3):169-73
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  • Generally, nearly all PEComas have immunoreactivity for both melanocytic (HMB-45 and/or melan A) and smooth muscle (actin (SMA) and/or desmin) markers.
  • Recently the authors reported that benign clear cell sugar tumor of the lung, one of the PEComas, expressed CD1a.
  • Nineteen PEComas were obtained, which included angiomyolipoma of the kidney or liver, lymphangiomyomatosis of the uterus or lung and clear cell sugar tumor of the lung.
  • [MeSH-major] Antigens, CD1 / metabolism. Biomarkers, Tumor / metabolism. Epithelioid Cells / metabolism. Neoplasms, Connective and Soft Tissue / metabolism

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  • (PMID = 18251780.001).
  • [ISSN] 1440-1827
  • [Journal-full-title] Pathology international
  • [ISO-abbreviation] Pathol. Int.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Australia
  • [Chemical-registry-number] 0 / Antigens, CD1; 0 / Biomarkers, Tumor; 0 / CD1a antigen
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77. Schrecengost JE, Tabbara S, Patterson J, Wick MR: Cutaneous mesenchymal hamartoma with mixed myogenous differentiation. J Cutan Pathol; 2006 Apr;33(4):327-30
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  • Microscopic examination of the excised specimen showed a mixture of mesenchymal elements, dominated by haphazard thin fascicles of skeletal muscle.
  • Immunohistochemistry showed positive staining for muscle-specific actin and desmin in the fascicular components of the lesion, and smooth muscle actin, desmin, and h-caldesmon positivity in a haphazard collection of muscle fibers in the deep dermis and anal submucosa.
  • Hamartomas containing skeletal muscle have rarely been reported outside of the head and neck region.
  • They must be distinguished from a variety of other tumors, including juvenile rhabdomyoma, benign Triton tumor, and rhabdomyosarcoma.
  • [MeSH-minor] Female. Humans. Infant. Muscle Fibers, Skeletal / pathology. Muscle, Skeletal / metabolism. Muscle, Skeletal / pathology

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  • (PMID = 16630187.001).
  • [ISSN] 0303-6987
  • [Journal-full-title] Journal of cutaneous pathology
  • [ISO-abbreviation] J. Cutan. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Denmark
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78. Memisoglu E, Agarwal B, Akduman I, Prather C, Collins B, Civelek AC: Multimodality diagnostic imaging of diffuse esophageal leiomyomatosis. J Comput Assist Tomogr; 2006 Jan-Feb;30(1):100-4
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  • This entity represents a rare presentation of uncommon benign smooth muscle tumors of the esophagus.
  • The characteristic clinical, histologic, and multimodality imaging findings may distinguish this benign tumor from its malignant counterpart leiomyosarcoma and from achalasia.

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  • (PMID = 16365582.001).
  • [ISSN] 0363-8715
  • [Journal-full-title] Journal of computer assisted tomography
  • [ISO-abbreviation] J Comput Assist Tomogr
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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79. Kandemir NO, Barut F, Ekinci T, Karagülle C, Ozdamar SO: Intranodal palisaded myofibroblastoma (intranodal hemorrhagic spindle cell tumor with amianthoid fibers): a case report and literature review. Diagn Pathol; 2010;5:12
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  • [Title] Intranodal palisaded myofibroblastoma (intranodal hemorrhagic spindle cell tumor with amianthoid fibers): a case report and literature review.
  • Intranodal palisaded myofibroblastoma (IPM) is a benign mesenchymal neoplasm originating from smooth muscle cells and myofibroblasts.
  • With Masson's trichrome, spindle cells stained as smooth muscle, whereas collagen staining was observed in homogeneous eosinophilic accumulations.
  • IPM is an uncommon neoplasm originating from the stromal component of the lymph node.
  • Although IPM is benign, it is frequently confused with metastatic lesions.
  • [MeSH-major] Lymph Nodes / pathology. Neoplasms, Muscle Tissue / pathology
  • [MeSH-minor] Actins / analysis. Aged, 80 and over. Biomarkers, Tumor / analysis. Cell Proliferation. Groin. Humans. Immunohistochemistry. Ki-67 Antigen / analysis. Lymph Node Excision. Male. Staining and Labeling. Vimentin / analysis

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  • (PMID = 20181136.001).
  • [ISSN] 1746-1596
  • [Journal-full-title] Diagnostic pathology
  • [ISO-abbreviation] Diagn Pathol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Actins; 0 / Biomarkers, Tumor; 0 / Ki-67 Antigen; 0 / Vimentin
  • [Other-IDs] NLM/ PMC2829510
  • [General-notes] NLM/ Original DateCompleted: 20100524
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80. Agaimy A, Bihl MP, Tornillo L, Wünsch PH, Hartmann A, Michal M: Calcifying fibrous tumor of the stomach: clinicopathologic and molecular study of seven cases with literature review and reappraisal of histogenesis. Am J Surg Pathol; 2010 Feb;34(2):271-8
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  • [Title] Calcifying fibrous tumor of the stomach: clinicopathologic and molecular study of seven cases with literature review and reappraisal of histogenesis.
  • Calcifying fibrous tumor (CFT) is a rare benign mesenchymal tumor composed of hyalinized fibrous tissue with interspersed bland fibroblastic spindled cells, scattered psammomatous, and/or dystrophic calcifications and variably prominent mononuclear inflammatory infiltrate.
  • Mean tumor size was 2.2 cm.
  • One ulcerated tumor caused iron deficiency anemia and ulcer symptoms.
  • Adjacent muscle coat contained lymphoid aggregates with fiber degeneration (2), minute CFT-like foci (1), and calcifications (1).
  • In none of the cases were there remnants of burnt-out GIST, inflammatory fibroid polyp, inflammatory myofibroblastic tumor, leiomyoma, schwannoma, or other specific lesion.
  • All tumors were negative for CD117, S100, smooth muscle actin, desmin, ALK1, h-caldesmon, and PDGFRA.
  • [MeSH-minor] Adult. Aged. Biomarkers, Tumor / metabolism. DNA Mutational Analysis. Female. Humans. Incidental Findings. Male. Middle Aged

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  • (PMID = 20090503.001).
  • [ISSN] 1532-0979
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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81. Gleason BC, Fletcher CD: Deep "benign" fibrous histiocytoma: clinicopathologic analysis of 69 cases of a rare tumor indicating occasional metastatic potential. Am J Surg Pathol; 2008 Mar;32(3):354-62
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  • [Title] Deep "benign" fibrous histiocytoma: clinicopathologic analysis of 69 cases of a rare tumor indicating occasional metastatic potential.
  • Benign fibrous histiocytoma (FH) is one of the most common mesenchymal neoplasms of the skin.
  • Deep benign FH is an uncommon and poorly recognized clinical subtype that arises in subcutaneous or deep soft tissue.
  • Immunohistochemistry revealed expression of CD34 in 20/50 cases (40%), smooth muscle actin in 15/40 (38%), and focal desmin in 1/12 (8%).
  • Of the 37 patients for whom clinical follow-up was available (median, 40 mo), 8 (22%) had a local recurrence; in all 8 cases, the tumor had been marginally or incompletely excised.
  • The metastasizing tumors were large (6 and 9 cm) and 1 had tumor necrosis but they were otherwise histologically identical to the nonmetastasizing lesions.
  • [MeSH-major] Histiocytoma, Benign Fibrous / pathology. Neoplasm Metastasis / pathology. Skin Neoplasms / pathology. Soft Tissue Neoplasms / pathology
  • [MeSH-minor] Actins / analysis. Adolescent. Adult. Aged. Aged, 80 and over. Antigens, CD34 / analysis. Child. Desmin / analysis. Female. Humans. Immunohistochemistry. Male. Middle Aged. Mitosis. Necrosis. Neoplasm Recurrence, Local

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  • (PMID = 18300816.001).
  • [ISSN] 0147-5185
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Actins; 0 / Antigens, CD34; 0 / Desmin
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82. Petrescu A, Berdan G, Hulea I, Gaitanidis R, Ambert V, Jinga V, Popescu M, Andrei F, Niculescu L: Renal inflammatory myofibroblastic tumor - a new case report. Rom J Morphol Embryol; 2007;48(4):437-42
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  • [Title] Renal inflammatory myofibroblastic tumor - a new case report.
  • Renal inflammatory pseudotumor is uncommon, benign tumor that has been classified into separate group but there is a risk that this lesion could be misdiagnosed.
  • Magnetic resonance imaging (MRI) and sonography revealed a tumor of the right mediorenal parenchyma, 2.5 cm in diameter.
  • Fragments of the tumor were fixed in 10% formaldehyde, included in paraffin, and the sections were stained with HE, VG and immunohistochemically with vimentin (VIM), MNF116, SyN, smooth muscle actin (ACT), desmin, CD68, S100, HMB45, and CD117.
  • [MeSH-major] Kidney Neoplasms / pathology. Neoplasms, Muscle Tissue / pathology

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  • (PMID = 18060198.001).
  • [ISSN] 1220-0522
  • [Journal-full-title] Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie
  • [ISO-abbreviation] Rom J Morphol Embryol
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Romania
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83. Dursun P, Salman MC, Taskiran C, Yüce K, Ayhan A: Retroperitoneal leiomyomatosis: a case report. Int J Gynecol Cancer; 2005 Nov-Dec;15(6):1222-5
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  • Leiomyoma is the most common benign solid pelvic tumor seen in women.
  • It is most commonly located in the uterus and gastrointestinal tract, but it can originate wherever smooth muscle cells exist.

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  • (PMID = 16343219.001).
  • [ISSN] 1048-891X
  • [Journal-full-title] International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
  • [ISO-abbreviation] Int. J. Gynecol. Cancer
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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84. Kusumi T, Minakawa M, Fukui K, Saito S, Ohashi M, Sato F, Fukuda I, Kijima H: Cardiac tumor comprising two components including typical myxoma and atypical hypercellularity suggesting a malignant change. Cardiovasc Pathol; 2009 Nov-Dec;18(6):369-74
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  • [Title] Cardiac tumor comprising two components including typical myxoma and atypical hypercellularity suggesting a malignant change.
  • BACKGROUND: Cardiac myxoma is a benign neoplasm and is not considered to carry a risk of malignant transformation.
  • We describe a case of a cardiac tumor comprising typical myxoma and atypical cellular parts.
  • METHODS AND RESULTS: A 72-year-old woman was found to have a tumor in the left atrial chamber after undergoing echocardiographic investigation and so she underwent tumor excision surgery.
  • The excised tumor was composed of two components with different features with a smooth transition from one type to the other.
  • The apex of the tumor showed a gelatinous and villous appearance on gross examination, and histological examination revealed that the tumor cells had small oval nuclei and eosinophilic cytoplasm and were arranged in cords and vasoformative structures in the myxoid matrix.
  • The base of the tumor appeared as a solid mass on gross examination with hypercellular proliferation of spindle-shaped tumor cells and intersecting fascicles observed histologically.
  • On immunohistochemistry, the tumor cells were found to be positive for alpha-smooth muscle actin, calretinin, and CD34, and this immunoreactivity was decreased at the tip.
  • CONCLUSIONS: We diagnosed this tumor as cardiac myxoma with an atypical hypercellular component suggesting a malignant change.

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  • (PMID = 18619858.001).
  • [ISSN] 1879-1336
  • [Journal-full-title] Cardiovascular pathology : the official journal of the Society for Cardiovascular Pathology
  • [ISO-abbreviation] Cardiovasc. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
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85. Veit AC, Painter JT, Miller RA, Hardisty JF, Dixon D: Characterization of uterine granular cell tumors in B6C3F1 mice: a histomorphologic, immunohistochemical, and ultrastructural study. Vet Pathol; 2008 Sep;45(5):654-62
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  • The granular cell tumor is most often a benign neoplasm of uncertain origin.
  • Tissue sections were evaluated histologically and stained with hematoxylin and eosin, periodic acid-Schiff with diastase resistance, Masson's trichrome, toluidine blue, phosphotungstic acid-hematoxylin, and stained immunohistochemically with a panel of antibodies to muscle (desmin, alpha smooth muscle actin), neural (S-100, neuron specific enolase), epithelial (wide-spectrum cytokeratin), and macrophage (F4/80) markers.
  • The main histomorphologic feature of tumor cells was the presence of abundant cytoplasmic eosinophilic granules that stained positive for periodic acid-Schiff with diastase resistance.
  • Three tumors had positive to weakly positive immunoreactivity for desmin, and 1 was positive for alpha smooth muscle actin.
  • [MeSH-major] Granular Cell Tumor / veterinary. Uterine Neoplasms / veterinary

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  • [Cites] J Pathol. 1984 Mar;142(3):221-9 [6323661.001]
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  • (PMID = 18725470.001).
  • [ISSN] 0300-9858
  • [Journal-full-title] Veterinary pathology
  • [ISO-abbreviation] Vet. Pathol.
  • [Language] eng
  • [Grant] United States / Intramural NIH HHS / / Z99 ES999999
  • [Publication-type] Journal Article; Research Support, N.I.H., Intramural
  • [Publication-country] United States
  • [Other-IDs] NLM/ NIHMS103826; NLM/ PMC2691646
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86. Talati H, Radhi J, Popovich S, Marcaccio M: Hepatic Epithelioid Angiomyolipoma: Case Series. Gastroenterology Res; 2010 Dec;3(6):293-295
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  • : Hepatic epithelioid angiomyolipoma (AML) is a rare, benign, mesenchymal neoplasm found in both males and females, and most commonly encountered in adult females.
  • The tumor cells are strongly positive for homatropine methylbromide-45 (HMB-45) and smooth muscle actin by immunohistochemistry, which are the key markers for accurate pathological diagnosis.

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  • (PMID = 27942312.001).
  • [ISSN] 1918-2805
  • [Journal-full-title] Gastroenterology research
  • [ISO-abbreviation] Gastroenterology Res
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Canada
  • [Keywords] NOTNLM ; Adenoma / Epithelioid angiomyolipoma / Hepatocellular carcinoma / Liver
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87. Kim HY, Jung SN, Kwon H, Sohn WI, Moon SH: Angiomyoma in the buccal space. J Craniofac Surg; 2010 Sep;21(5):1634-5
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  • Angiomyoma is a rare benign tumor originated from vascular smooth muscle cells, in other words, the tunica media, and the characteristic is the detection of numerous blood vessels together with spindle-shape smooth muscle cells.

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  • (PMID = 20856064.001).
  • [ISSN] 1536-3732
  • [Journal-full-title] The Journal of craniofacial surgery
  • [ISO-abbreviation] J Craniofac Surg
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] United States
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88. Benoit MM, North PE, McKenna MJ, Mihm MC, Johnson MM, Cunningham MJ: Facial nerve hemangiomas: vascular tumors or malformations? Otolaryngol Head Neck Surg; 2010 Jan;142(1):108-14
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  • Hemotoxylin-eosin-stained histopathological slides showed irregularly shaped, dilated lesional vessels with flattened endothelial cells, scant smooth muscle, and no internal elastic lamina.
  • CONCLUSION: Lesions of the geniculate ganglion historically referred to as "hemangiomas" do not demonstrate clinical, histopathological, or immunohistochemical features consistent with a benign vascular tumor, but instead are consistent with venous malformation.

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  • (PMID = 20096233.001).
  • [ISSN] 1097-6817
  • [Journal-full-title] Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery
  • [ISO-abbreviation] Otolaryngol Head Neck Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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89. Cui Y, Tian M, Zong M, Teng M, Chen Y, Lu J, Jiang J, Liu X, Han J: Proteomic analysis of pancreatic ductal adenocarcinoma compared with normal adjacent pancreatic tissue and pancreatic benign cystadenoma. Pancreatology; 2009;9(1-2):89-98
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  • [Title] Proteomic analysis of pancreatic ductal adenocarcinoma compared with normal adjacent pancreatic tissue and pancreatic benign cystadenoma.
  • BACKGROUND: Dual expression of potential biomarkers in both benign and malignant pancreatic tumors was a major obstacle in the development of diagnostic biomarkers of early pancreatic cancer.
  • METHODS: To better understand the limitations of potential protein biomarkers in pancreatic cancer, we employed two-dimensional difference gel electrophoresis technology and tandem mass spectrometry to study protein expression profiles in pancreatic cancer tissues, benign pancreatic adenoma and normal adjacent pancreas.
  • RESULTS: 21 spots were overexpressed and 24 spots were downexpressed in pancreatic cancer compared with benign and normal adjacent tissues.
  • Our study demonstrated that three candidate pancreatic ductal adenocarcinoma biomarkers identified in previous studies, fructose-bisphosphate aldolase A, alpha-smooth muscle actin and vimentin, were also overexpressed in pancreatic cystadenoma, which might lower their further utility as biomarkers for pancreatic cancer.
  • Aflatoxin B(1) aldehyde reductase (AKR7A2) was confirmed to be only highly expressed in pancreatic cancer, not in normal adjacent pancreas and benign tumors.
  • [MeSH-major] Aldehyde Reductase / biosynthesis. Biomarkers, Tumor / analysis. Carcinoma, Pancreatic Ductal / metabolism. Cystadenoma / metabolism. Pancreas / metabolism. Pancreatic Neoplasms / metabolism

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  • [Copyright] Copyright 2008 S. Karger AG, Basel and IAP.
  • (PMID = 19077459.001).
  • [ISSN] 1424-3911
  • [Journal-full-title] Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]
  • [ISO-abbreviation] Pancreatology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't; Validation Studies
  • [Publication-country] Switzerland
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Chaperonin 60; 0 / Intracellular Signaling Peptides and Proteins; 0 / Nuclear Proteins; 0 / Oncogene Proteins; 0 / PARK7 protein, human; 0 / Vimentin; 117896-08-9 / nucleophosmin; EC 1.1.1.- / aflatoxin B1 aldehyde reductase; EC 1.1.1.21 / Aldehyde Reductase; EC 4.1.2.13 / Fructose-Bisphosphate Aldolase
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90. Sousa V, Carvalho L: [Glomic tumor: presentation of an infrequent case]. Rev Port Pneumol; 2006 May-Jun;12(3):269-74
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  • [Title] [Glomic tumor: presentation of an infrequent case].
  • [Transliterated title] Tumor glómico do pulmão: Apresentação de um caso pouco frequente.
  • Glomic tumours are perivascular tumours whose cells resemble modified smooth muscular cells of the glomic body.
  • Glomic tumours are generally benign.
  • They should be classified as glomic tumor, glomangioma and glomangiomioma according to the relative abundance of glomic cells and of the vascular and muscular components.
  • The differential diagnosis of glomic tumours of the lung includes the carcinoid, hemangioperycitoma, smooth muscle tumours (epithelioid leyomioma) and the paraganglioma.
  • [MeSH-major] Glomus Tumor / diagnosis. Lung Neoplasms / diagnosis

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  • (PMID = 16967176.001).
  • [ISSN] 0873-2159
  • [Journal-full-title] Revista portuguesa de pneumologia
  • [ISO-abbreviation] Rev Port Pneumol
  • [Language] por
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Portugal
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91. Tahlan A, Nanda A, Mohan H: Uterine adenomyoma: a clinicopathologic review of 26 cases and a review of the literature. Int J Gynecol Pathol; 2006 Oct;25(4):361-5
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  • Adenomyoma of the uterus is a circumscribed nodular aggregate of benign endometrial glands surrounded by endometrial stroma with leiomyomatous smooth muscle bordering the endometrial stromal component.
  • The criterion used for case identification was a circumscribed mass composed of benign endometrial glands with a stromal component consisting of endometrial type stroma surrounded by leiomyomatous smooth muscle.
  • Thirteen patients underwent panhysterectomy; 7, total hysterectomy; 1, subtotal hysterectomy; 4, polypectomy or tumor removal; and 1, curettage.
  • The glands were lined by benign proliferative pseudostratified columnar epithelium.
  • This stroma was, in turn, bordered by leiomyomatous smooth muscle.
  • This study highlights the importance of correctly identifying this fairly common entity and helps to distinguish adenomyoma from other similar appearing benign and malignant lesions.

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  • (PMID = 16990713.001).
  • [ISSN] 0277-1691
  • [Journal-full-title] International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists
  • [ISO-abbreviation] Int. J. Gynecol. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Number-of-references] 15
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92. Espinosa de los Monteros A, Millán MY, Ramírez GA, Ordás J, Reymundo C, Martín de las Mulas J: Expression of maspin in mammary gland tumors of the dog. Vet Pathol; 2005 May;42(3):250-7
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  • Maspin is a serine protease inhibitor that inhibits tumor invasion and metastasis in human breast cancer and is consistently expressed by mammary myoepithelial cells (MECs).
  • To analyze the value of maspin as a marker of the MEC layer of the normal and tumoral canine mammary gland, the immunohistochemical expression of maspin was studied in formalin-fixed tissues from 55 benign and malignant tumors (40 tumors also contained the surrounding normal mammary gland) using a commercially available monoclonal antibody.
  • In addition, maspin was found in 53 (98%) of the tumors studied, reacting with the MECs in 100% of benign tumors and 93% of malignant tumors and to the epithelial cells of 16% of benign and 73% of malignant tumors.
  • Maspin appears to be a very sensitive marker of the normal and neoplastic myoepithelium that, contrary to smooth muscle differentiation markers, does not stain stromal myofibroblasts.
  • [MeSH-minor] Animals. Antibodies, Monoclonal. Dogs. Genes, Tumor Suppressor. Immunohistochemistry

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  • (PMID = 15872371.001).
  • [ISSN] 0300-9858
  • [Journal-full-title] Veterinary pathology
  • [ISO-abbreviation] Vet. Pathol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antibodies, Monoclonal; 0 / SERPIN-B5; 0 / Serpins
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93. Sicaja M, Namiq A, Forster J, Damjanov I: Myxoid leiomyosarcoma of the liver. Pathol Res Pract; 2006;202(1):43-6
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  • The tumor was resected from a 64-year-old man.
  • The tumor was composed of deceptively benign-looking smooth muscle cells with clear cytoplasm suspended in a myxoid stroma with foci of hemorrhage.
  • Immunohistochemistry and electron microscopy confirmed that this was a smooth muscle cell neoplasm.
  • The abundance of glycogen and ultrastructural signs of smooth muscle differentiation were considered consistent with an immature smooth muscle cell phenotype consistent with the diagnosis of myxoid leiomyosarcoma.
  • [MeSH-minor] Biomarkers, Tumor. Humans. Male. Middle Aged

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  • (PMID = 16316722.001).
  • [ISSN] 0344-0338
  • [Journal-full-title] Pathology, research and practice
  • [ISO-abbreviation] Pathol. Res. Pract.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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94. Collins LC, Carlo VP, Hwang H, Barry TS, Gown AM, Schnitt SJ: Intracystic papillary carcinomas of the breast: a reevaluation using a panel of myoepithelial cell markers. Am J Surg Pathol; 2006 Aug;30(8):1002-7
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  • We studied the presence and distribution of MEC at the periphery of the nodules of 22 IPC and, for comparison, 15 benign intraductal papillomas using immunostaining for 5 highly sensitive markers that recognize various MEC components: smooth muscle myosin heavy chain, calponin, p63, CD10, and cytokeratin 5/6.
  • Furthermore, all benign intraductal papillomas, including those of sizes comparable to those of IPC, showed a MEC layer around virtually the entire periphery of the lesion with all 5 MEC markers.
  • [MeSH-major] Biomarkers, Tumor / analysis. Breast Cyst / pathology. Breast Neoplasms / pathology. Carcinoma, Intraductal, Noninfiltrating / pathology. Carcinoma, Papillary / pathology
  • [MeSH-minor] Aged. Aged, 80 and over. Diagnosis, Differential. Epithelial Cells / cytology. Female. Humans. Immunohistochemistry. Middle Aged. Muscle Cells / cytology

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  • (PMID = 16861972.001).
  • [ISSN] 0147-5185
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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95. Román-Díaz J, Alayón-Laguer D, Fernández Nelson M, Luis B, Caceres-Perkins W, Conde-Sterling D: Rare benign breast tumor. Bol Asoc Med P R; 2010 Apr-Jun;102(2):50-2
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  • [Title] Rare benign breast tumor.
  • We report the case of a female patient with an incidental finding at routine mammography evaluation which consisted of a benign spindle cell tumor, namely Breast Myofibroblastoma.
  • It is arranged in fascicles with interspersed broad bands of hyalinized collagen with variable immunohistochemical reactivity to desmin, vimentin, smooth muscle actin and CD 34.
  • It is important to recognize the benign nature of this neoplasm to prevent extensive mutilating surgical procedures.
  • [MeSH-major] Breast Neoplasms / pathology. Neoplasms, Muscle Tissue / pathology

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  • (PMID = 20939206.001).
  • [ISSN] 0004-4849
  • [Journal-full-title] Boletín de la Asociación Médica de Puerto Rico
  • [ISO-abbreviation] Bol Asoc Med P R
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Puerto Rico
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96. Palade R, Grigoriu M, Voiculescu D: [Gallbladder leiomyoma]. Chirurgia (Bucur); 2006 Jul-Aug;101(4):415-8
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  • Leiomyoma, benign tumor generated by wall's smooth muscle proliferation, is extremely rare revealed.
  • Laparoscopic cholecystectomy is the sufficient and recommended procedure; only even the benignity of the tumor is pathologically established.

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  • (PMID = 17059154.001).
  • [ISSN] 1221-9118
  • [Journal-full-title] Chirurgia (Bucharest, Romania : 1990)
  • [ISO-abbreviation] Chirurgia (Bucur)
  • [Language] rum
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Romania
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97. Ip PP, Lam KW, Cheung CL, Yeung MC, Pun TC, Chan QK, Cheung AN: Tranexamic acid-associated necrosis and intralesional thrombosis of uterine leiomyomas: a clinicopathologic study of 147 cases emphasizing the importance of drug-induced necrosis and early infarcts in leiomyomas. Am J Surg Pathol; 2007 Aug;31(8):1215-24
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  • When the overall gross and microscopic features of a leiomyoma with coagulative necrosis favor a benign lesion, the drug history should be reviewed so that this type of early and healing infarct-type necrosis is considered as the underlying cause of the apparent coagulative necrosis.
  • This may otherwise result in a diagnosis of smooth muscle tumor of uncertain malignant potential, leading to prolonged follow-up and unnecessary further surgical intervention.

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  • (PMID = 17667546.001).
  • [ISSN] 0147-5185
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antifibrinolytic Agents; 6T84R30KC1 / Tranexamic Acid
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98. Hungermann D, Buerger H, Oehlschlegel C, Herbst H, Boecker W: Adenomyoepithelial tumours and myoepithelial carcinomas of the breast--a spectrum of monophasic and biphasic tumours dominated by immature myoepithelial cells. BMC Cancer; 2005;5:92
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  • METHODS: A series of 27 adenomyoepithelial tumours of the breast was analysed immunohistochemically with antibodies directed against various cytokeratins, p63, smooth muscle alpha-actin (SMA) and vimentin.
  • Based on morphology, we assigned the series to three categories, benign, borderline and malignant.
  • Although categorisation of adenomyoepithelial tumours in benign, borderline and malignant was supported by results of CGH, any assessment of prognosis requires to be firmly based on morphological grounds.
  • [MeSH-minor] Actins / biosynthesis. Adult. Aged. Aged, 80 and over. Cell Proliferation. DNA-Binding Proteins. Female. Genes, Tumor Suppressor. Humans. Image Processing, Computer-Assisted. Immunohistochemistry. Immunophenotyping. Keratins / biosynthesis. Microscopy, Fluorescence. Middle Aged. Nucleic Acid Hybridization. Phosphoproteins / biosynthesis. Prognosis. Trans-Activators / biosynthesis. Transcription Factors. Tumor Suppressor Proteins. Vimentin / biosynthesis

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  • NCI CPTC Antibody Characterization Program. NCI CPTC Antibody Characterization Program .
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  • (PMID = 16050957.001).
  • [ISSN] 1471-2407
  • [Journal-full-title] BMC cancer
  • [ISO-abbreviation] BMC Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Actins; 0 / DNA-Binding Proteins; 0 / Phosphoproteins; 0 / TP63 protein, human; 0 / Trans-Activators; 0 / Transcription Factors; 0 / Tumor Suppressor Proteins; 0 / Vimentin; 68238-35-7 / Keratins
  • [Other-IDs] NLM/ PMC1187882
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99. Laluha P, Grest P, Eichenberger S, Reusch CE, Gerber B: [Leiomyoma of a kidney in a dog: a rare diagnosis]. Schweiz Arch Tierheilkd; 2006 Jun;148(6):303-7
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  • Histological examination of the mass revealed a dense proliferation of non-polymorphic spindle cells, which stained positive for smooth muscle actin via immunohistochemistry.
  • Leiomyoma of the kidney is a benign tumor, and hematuria may be the only clinical sign.

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  • (PMID = 16826708.001).
  • [ISSN] 0036-7281
  • [Journal-full-title] Schweizer Archiv für Tierheilkunde
  • [ISO-abbreviation] Schweiz. Arch. Tierheilkd.
  • [Language] ger
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Switzerland
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100. Massoner P, Haag P, Seifarth C, Jurgeit A, Rogatsch H, Doppler W, Bartsch G, Klocker H: Insulin-like growth factor binding protein-3 (IGFBP-3) in the prostate and in prostate cancer: local production, distribution and secretion pattern indicate a role in stromal-epithelial interaction. Prostate; 2008 Aug 1;68(11):1165-78
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  • RESULTS: All cell types of a panel of benign epithelial, stromal and tumor prostate cells expressed IGFBP-3.
  • IGFBP-3 levels were increased in primary tumors but did not differ from benign epithelium in metastases and local recurrent tumors.
  • [MeSH-minor] Cell Communication / physiology. Cell Line, Transformed. Cell Line, Tumor. Coculture Techniques. Fluorescent Antibody Technique. Gene Expression Regulation, Neoplastic. Humans. Insulin-Like Growth Factor Binding Protein 3. Male. Myocytes, Smooth Muscle / cytology. Prostate / metabolism. Prostate / pathology. Prostate / secretion. Reverse Transcriptase Polymerase Chain Reaction. Transforming Growth Factor beta / pharmacology. Up-Regulation / drug effects. Up-Regulation / physiology

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  • [Copyright] Copyright (c) 2008 Wiley-Liss, Inc.
  • (PMID = 18459102.001).
  • [ISSN] 0270-4137
  • [Journal-full-title] The Prostate
  • [ISO-abbreviation] Prostate
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / IGFBP3 protein, human; 0 / Insulin-Like Growth Factor Binding Protein 3; 0 / Insulin-Like Growth Factor Binding Proteins; 0 / Transforming Growth Factor beta
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