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1. Adissu HA, Turner PV: Insulinoma and squamous cell carcinoma with peripheral polyneuropathy in an aged Sprague-Dawley rat. J Am Assoc Lab Anim Sci; 2010 Nov;49(6):856-9
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  • [Title] Insulinoma and squamous cell carcinoma with peripheral polyneuropathy in an aged Sprague-Dawley rat.
  • Pancreatic islet cell adenoma, oral squamous cell carcinoma, peripheral polyneuropathy, and multiple age-associated degenerative lesions were diagnosed in an aged Sprague-Dawley rat presenting with polyuria, polydypsia, dehydration, anorexia, weight loss, and posterior weakness.
  • Microscopically, the islet cell adenoma was encapsulated by fibrous tissue and composed of packets of oval-to-polygonal monomorphic cells in a fibrovascular stroma.
  • The oral squamous cell carcinoma, grossly presenting as gingival ulceration, was composed of nests and cords of squamous epithelial cells that focally eroded and infiltrated the hard palate and resulted in degeneration of the maxillary nerve.
  • [MeSH-major] Carcinoma, Squamous Cell / veterinary. Gingival Neoplasms / veterinary. Insulinoma / veterinary. Pancreatic Neoplasms / veterinary. Peripheral Nervous System / pathology. Polyneuropathies / veterinary. Rats

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  • (PMID = 21205453.001).
  • [ISSN] 1559-6109
  • [Journal-full-title] Journal of the American Association for Laboratory Animal Science : JAALAS
  • [ISO-abbreviation] J. Am. Assoc. Lab. Anim. Sci.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Other-IDs] NLM/ PMC2994055
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2. National Toxicology Program: Toxicology and carcinogenesis studies of methylene blue trihydrate (Cas No. 7220-79-3) in F344/N rats and B6C3F1 mice (gavage studies). Natl Toxicol Program Tech Rep Ser; 2008 May;(540):1-224
Hazardous Substances Data Bank. METHYLENE BLUE .

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  • Spleen lesions associated with methylene blue trihydrate administration included hematopoietic cell proliferation, pigmentation, lymphoid depletion of the lymphoid follicles, and capsular fibrosis.
  • Liver lesions associated with methylene blue exposure included centrilobular necrosis in rats dying early, hematopoietic cell proliferation, and Kupffer cell pigmentation with erythrophagocytosis.
  • Lesions in the spleen associated with methylene blue trihydrate administration included hematopoietic cell proliferation, pigmentation, and congestion.
  • Liver lesions associated with methylene blue trihydrate administration included periportal degeneration, hematopoietic cell proliferation, and Kupffer cell pigmentation with erythrophagocytosis.
  • Spleen lesions in dosed rats included hematopoietic cell proliferation, congestion, lymphoid depletion of the lymphoid follicles, and capsular fibrosis.
  • In all dosed groups, the incidences of hematopoietic cell proliferation and pigmentation in the spleen were significantly greater than those in the vehicle controls.
  • In the liver, the incidences of hematopoietic cell proliferation were significantly increased in males and females in the 100 and 200 mg/kg groups, and the incidences of Kupffer cell pigmentation were significantly increased in groups administered 50 mg/kg or greater.
  • The incidences of pancreatic islet cell adenoma and adenoma or carcinoma (combined) were increased in all dosed groups of males, were significantly increased in 25 mg/kg males, and exceeded the historical range in controls (all routes).
  • The incidence of pancreatic islet cell hyperplasia was significantly increased in the 50 mg/kg males.
  • In the spleen, the incidence of hematopoietic cell proliferation in 50 mg/kg males was significantly increased; the incidences of capsular fibrosis were significantly increased in all dosed groups of males and in 5 and 50 mg/kg females.
  • The incidences of carcinoma and of adenoma or carcinoma (combined) of the small intestine occurred with a positive trend in males.
  • The incidences of hematopoietic cell proliferation of the spleen were significantly increased in 12.5 and 25 mg/kg males and in 25 mg/kg females.
  • [MeSH-minor] Administration, Oral. Anemia / chemically induced. Anemia / pathology. Animals. Body Weight / drug effects. CHO Cells. Chromosome Aberrations / chemically induced. Cricetinae. Cricetulus. DNA Damage. Female. Intestinal Neoplasms / chemically induced. Intestinal Neoplasms / pathology. Intestine, Small / drug effects. Intestine, Small / pathology. Islets of Langerhans / drug effects. Islets of Langerhans / pathology. Lymphoma / chemically induced. Lymphoma / pathology. Male. Methemoglobinemia / chemically induced. Methemoglobinemia / pathology. Mice. Mice, Inbred Strains. Pancreatic Neoplasms / chemically induced. Pancreatic Neoplasms / pathology. Rats. Rats, Inbred F344. Sister Chromatid Exchange / drug effects

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  • (PMID = 18685714.001).
  • [ISSN] 0888-8051
  • [Journal-full-title] National Toxicology Program technical report series
  • [ISO-abbreviation] Natl Toxicol Program Tech Rep Ser
  • [Language] eng
  • [Publication-type] Journal Article; Technical Report
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Enzyme Inhibitors; 0 / Mutagens; T42P99266K / Methylene Blue
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3. Guardado-Mendoza R, Dick EJ Jr, Jimenez-Ceja LM, Davalli A, Chavez AO, Folli F, Hubbard GB: Spontaneous pathology of the baboon endocrine system. J Med Primatol; 2009 Dec;38(6):383-9
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  • [Title] Spontaneous pathology of the baboon endocrine system.
  • BACKGROUND: Study of endocrine pathology in animal models is critical to understanding endocrine pathology in humans.
  • METHODS: We evaluated 434 endocrine-related diagnoses from 4619 baboon necropsies, established the incidence of spontaneous endocrine pathology, and analyzed the clinical and biochemical data associated with the individual cases.
  • RESULTS: The most common diagnoses in descending order, were pancreatic islet cell amyloidosis (n = 259), ovarian cysts (n = 50), pituitary adenoma (n = 37), pancreatic islet cell adenoma (n = 20), granulosa cell tumor (n = 15), thyroid adenoma (n = 11), adrenal hyperplasia (n = 10), thyroid carcinoma (n = 8), and pheochromocytoma (n = 6).
  • The incidence of pancreatic islet cell amyloidosis progressively increased with age.
  • The incidence of pancreatic islet cell amyloidosis and adrenal pathology was similar to humans; the incidence of pituitary adenoma and thyroid pathology was lower than in humans.
  • CONCLUSIONS: Endocrine disease in baboons is common and shares clinical and biochemical characteristics with endocrine disease in humans.
  • [MeSH-major] Endocrine System Diseases / veterinary. Monkey Diseases / epidemiology. Papio

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  • (PMID = 19793179.001).
  • [ISSN] 1600-0684
  • [Journal-full-title] Journal of medical primatology
  • [ISO-abbreviation] J. Med. Primatol.
  • [Language] eng
  • [Grant] United States / NCRR NIH HHS / RR / C06 RR016228; United States / NCRR NIH HHS / RR / P51 RR013986; United States / NCRR NIH HHS / RR / P51 RR013986-11
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] Denmark
  • [Other-IDs] NLM/ NIHMS145553; NLM/ PMC2783813
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4. Izumiyama H, Gotyo N, Fukai N, Ozawa N, Doi M, Yoshimoto T, Arii S, Hirata Y: Glucose-responsive and octreotide-sensitive insulinoma. Intern Med; 2006;45(8):519-24
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  • Although MRI and CT scan of the abdomen failed to detect any mass lesions in the pancreas, Octreoscan revealed increased radioactive uptake around the pancreatic head region.
  • At surgery, two islet cell adenomas were identified in the pancreas and resected.
  • [MeSH-major] Antineoplastic Agents, Hormonal / therapeutic use. Glucose Tolerance Test. Insulinoma / drug therapy. Octreotide / therapeutic use. Pancreatic Neoplasms / drug therapy

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  • (PMID = 16702744.001).
  • [ISSN] 1349-7235
  • [Journal-full-title] Internal medicine (Tokyo, Japan)
  • [ISO-abbreviation] Intern. Med.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Antineoplastic Agents, Hormonal; 0 / Blood Glucose; 0 / Insulin; RWM8CCW8GP / Octreotide
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5. Gómez-Pérez FJ, Cuevas-Ramos D, Valdés PA, Aguilar-Salinas CA, Mehta R, Rull JA: Beta-cell adenomas without hyperinsulinemia with use of highly specific insulin radioimmunoassays: case report and review of literature. Endocr Pract; 2010 Jul-Aug;16(4):660-3
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Beta-cell adenomas without hyperinsulinemia with use of highly specific insulin radioimmunoassays: case report and review of literature.
  • OBJECTIVE: To report a case of a proinsulin-secreting islet cell adenoma in which the diagnosis was obscured by an ultraspecific insulin assay.
  • Magnetic resonance imaging and endoscopic ultrasonography confirmed the presence of a 2.5-cm tumor in the head of the pancreas.
  • A proinsulin-secreting islet cell tumor was diagnosed.
  • Surgical resection of the tumor was successfully accomplished, but diabetes mellitus developed 4 months postoperatively.
  • CONCLUSION: The diagnosis of a hypoglycemia-producing pancreatic adenoma can be missed when an ultraspecific insulin assay is used.
  • [MeSH-major] Insulinoma / blood. Insulinoma / diagnosis. Pancreatic Neoplasms / blood. Pancreatic Neoplasms / diagnosis. Proinsulin / blood

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  • (PMID = 20439243.001).
  • [ISSN] 1934-2403
  • [Journal-full-title] Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists
  • [ISO-abbreviation] Endocr Pract
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article; Review
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Insulin; 9035-68-1 / Proinsulin
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6. Auerbach SS, Bristol DW, Peckham JC, Travlos GS, Hébert CD, Chhabra RS: Toxicity and carcinogenicity studies of methylene blue trihydrate in F344N rats and B6C3F1 mice. Food Chem Toxicol; 2010 Jan;48(1):169-77
Hazardous Substances Data Bank. METHYLENE BLUE .

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  • The incidences of pancreatic islet cell adenoma and adenoma or carcinoma (combined) were increased in all dosed groups of male rats, but increases were statistically significant in 25mg/kg bw/day males only and the dose-response was non-linear.
  • There was a corresponding increase in the incidence of pancreatic islet cell hyperplasia but statistically significant only in the 50mg/kg bw/day male rats.
  • There were no significant increases in neoplastic transformation observed in the mice; however, positive trends were noted for adenoma or carcinoma (combined) of the small intestine and malignant lymphoma.
  • [MeSH-minor] Animals. Blood Cell Count. Body Weight / drug effects. Carcinogenicity Tests. Dose-Response Relationship, Drug. Female. Hematopoietic Stem Cells / drug effects. Hyperplasia / chemically induced. Hyperplasia / pathology. Kaplan-Meier Estimate. Lung / pathology. Male. Mammary Neoplasms, Experimental / chemically induced. Mammary Neoplasms, Experimental / pathology. Mice. Mice, Inbred Strains. Neoplasms / chemically induced. Neoplasms / pathology. Rats. Rats, Inbred F344. Sex Characteristics. Species Specificity. Survival Analysis

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  • [Copyright] Published by Elsevier Ltd.
  • (PMID = 19804809.001).
  • [ISSN] 1873-6351
  • [Journal-full-title] Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association
  • [ISO-abbreviation] Food Chem. Toxicol.
  • [Language] eng
  • [Grant] United States / FDA HHS / BB / 1 Z01 ESO45004-11 BB; United States / Intramural NIH HHS / /
  • [Publication-type] Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, N.I.H., Intramural
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Carcinogens; T42P99266K / Methylene Blue
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7. Berrospi Espinoza F, Ruiz Figueroa E, Chavez Passiuri I, Celis Zapata J: [Laparoscopic treatment of insulinoma: surgical technique and perisurgical results]. Rev Gastroenterol Peru; 2005 Oct-Dec;25(4):366-70
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • AIM: Our experience with the laparoscopic treatment of pancreatic insulinomas is reported.
  • RESULTS: All the patients were laparoscopically approached to attempt the tumor enucleation.
  • One patient developed a pancreatic fistula that closed spontaneously.
  • In all cases histological evaluation of the tumor showed benign islet cell tumor.
  • CONCLUSION: Laparoscopic enucleation of pancreatic insulinoma is a feasible and safe technique.
  • [MeSH-major] Insulinoma / surgery. Laparoscopy / methods. Pancreatic Neoplasms / surgery

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  • (PMID = 16333393.001).
  • [ISSN] 1022-5129
  • [Journal-full-title] Revista de gastroenterología del Perú : órgano oficial de la Sociedad de Gastroenterología del Perú
  • [ISO-abbreviation] Rev Gastroenterol Peru
  • [Language] spa
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] Peru
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8. McElroy MK, Lowy AM, Weidner N: Case report: focal nesidioblastosis ("nesidioblastoma") in an adult. Hum Pathol; 2010 Mar;41(3):447-51
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  • [Title] Case report: focal nesidioblastosis ("nesidioblastoma") in an adult.
  • Adult nesidioblastosis is an uncommon cause of hyperinsulinemic hypoglycemia characterized by diffuse islet hyperplasia with beta-cell hypertrophy and atypia.
  • In contrast to infants, a focal form of adult nesidioblastosis (ie, "nesidioblastoma") has not been documented, although proposed.
  • [MeSH-major] Nesidioblastosis / pathology. Pancreas / pathology. Pancreatic Neoplasms / pathology

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  • [Copyright] Copyright 2010 Elsevier Inc. All rights reserved.
  • (PMID = 20004945.001).
  • [ISSN] 1532-8392
  • [Journal-full-title] Human pathology
  • [ISO-abbreviation] Hum. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Blood Glucose
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9. Krysiak R, Okopień B, Herman ZS: [Insulinoma]. Pol Merkur Lekarski; 2007 Jan;22(127):70-4
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  • [Transliterated title] Wyspiak wydzielajacy insuline.
  • Insulinoma is considered the most common endocrine tumour of the pancreas with an annual prevalence of 4 cases per million people.
  • Contrary to the other endocrine tumours of this organ, over 90% of the insulinomas are benign in nature.
  • Effective management requires directed biochemical testing, careful choice of preoperative imaging tests, and complete pancreatic exploration by an experienced endocrine surgeon utilising intraoperative ultrasound.
  • The only curative treatment for insulinoma is complete resection of the tumour.
  • [MeSH-major] Adenoma, Islet Cell / complications. Adenoma, Islet Cell / diagnosis. Insulinoma / complications. Insulinoma / diagnosis. Pancreatic Neoplasms / diagnosis
  • [MeSH-minor] Diagnosis, Differential. Endocrine Surgical Procedures / methods. Gastrinoma / complications. Gastrinoma / diagnosis. Gastrinoma / metabolism. Gastrinoma / surgery. Humans. Hypoglycemia / complications. Insulin / metabolism. Pancreatectomy / methods. Prognosis. Rare Diseases

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  • (PMID = 17477096.001).
  • [ISSN] 1426-9686
  • [Journal-full-title] Polski merkuriusz lekarski : organ Polskiego Towarzystwa Lekarskiego
  • [ISO-abbreviation] Pol. Merkur. Lekarski
  • [Language] pol
  • [Publication-type] English Abstract; Journal Article; Review
  • [Publication-country] Poland
  • [Chemical-registry-number] 0 / Insulin
  • [Number-of-references] 34
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10. Gnacńska M, Lewczuk A, Sworczak K: [Insulinoma misdiagnosed and treated as epilepsy]. Pol Merkur Lekarski; 2008 Mar;24(141):251-3
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  • [Transliterated title] Wyspiak trzustki mylnie rozpoznany i leczony jako padaczka--opis przypadku.
  • Although insulinoma constitutes almost 90% of neuroendocrine tumors localized in the pancreas, it is a rare disease.
  • Quite commonly prior to the diagnosis there is a history of several years and misdiagnosis as neurological or cardiological disease is not infrequent.
  • The image of pancreas was normal in the acquired abdominal ultrasound and in CT a tumor was found in the tail of pancreas.
  • [MeSH-major] Epilepsy / diagnosis. Insulinoma / diagnosis. Pancreatic Neoplasms / diagnosis

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  • (PMID = 18634294.001).
  • [ISSN] 1426-9686
  • [Journal-full-title] Polski merkuriusz lekarski : organ Polskiego Towarzystwa Lekarskiego
  • [ISO-abbreviation] Pol. Merkur. Lekarski
  • [Language] pol
  • [Publication-type] Case Reports; English Abstract; Journal Article
  • [Publication-country] Poland
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11. Krzysztof K, Wiktor B, Tadeusz Ł, Waldemar B, Magdalena K, Janusz D: Neuroendocrine tumours--analysis of own material--a nine--year retrospective study. Hepatogastroenterology; 2010 Mar-Apr;57(98):236-41

  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • The aim of this study was to present the author's observations of the histological tumor types, occurrence and its surgical treatment.
  • Ultrasonography, scintigraphy, computed tomography or magnetic resonance imaging of abdominal cavity, pelvis, thorax or neck--depend on the tumor localization--were done in every individual.
  • All cases were subjected to surgical procedure with an aim to resect the tumour completely.
  • RESULTS: In the present study were observed 6 cases of carcinoids localized in ileum, cecum and sigmoid colon, 1 case of gastrinoma in pancreatic head localization, 1 case of insulinoma localized in pancreatic tail, 1 case of vipoma localised in pancreatic head, 2 cases of nesidioblastoma and 1 case of microcystic adenoma with neuroendocrine differentiation in pancreatic tail localization and 1 case of nonspecific apudoma observed in ileum.
  • In adrenal glands we observed 10 benign and 1 malignant pheochromocytoma (one bilateral female case with Multiple Endocrine Neoplasia type 2A).

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  • (PMID = 20583420.001).
  • [ISSN] 0172-6390
  • [Journal-full-title] Hepato-gastroenterology
  • [ISO-abbreviation] Hepatogastroenterology
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Greece
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12. Lewis RB, Lattin GE Jr, Paal E: Pancreatic endocrine tumors: radiologic-clinicopathologic correlation. Radiographics; 2010 Oct;30(6):1445-64
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  • [Title] Pancreatic endocrine tumors: radiologic-clinicopathologic correlation.
  • Pancreatic endocrine tumors (PETs) are primarily well-differentiated tumors composed of cells that resemble normal islet cells but that arise from pancreatic ductal cells.
  • Most are sporadic, but some are associated with familial syndromes such as multiple endocrine neoplasia type 1, von Hippel-Lindau syndrome, and neurofibromatosis type 1.
  • At imaging, PETs typically appear as well-defined hypervascular masses, a finding indicative of their rich capillary network.
  • Knowledge of the characteristic clinical, pathologic, and radiologic features of PETs is important in the evaluation and management of patients with a suspected clinical syndrome or a pancreatic mass.
  • [MeSH-major] Diagnostic Imaging. Pancreatic Neoplasms / diagnosis
  • [MeSH-minor] Adenoma, Islet Cell / diagnosis. Adenoma, Islet Cell / epidemiology. Adenoma, Islet Cell / pathology. Carcinoma, Islet Cell / diagnosis. Carcinoma, Islet Cell / epidemiology. Carcinoma, Islet Cell / pathology. Diagnosis, Differential. Humans. Multiple Endocrine Neoplasia Type 1 / pathology. Neurofibromatosis 1 / pathology. Prevalence. von Hippel-Lindau Disease / pathology

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  • [Copyright] © RSNA, 2010.
  • (PMID = 21071369.001).
  • [ISSN] 1527-1323
  • [Journal-full-title] Radiographics : a review publication of the Radiological Society of North America, Inc
  • [ISO-abbreviation] Radiographics
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
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