| Type 2 diabetes mellitus in a patient with malignant insulinoma manifesting following surgery. | |
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MedLine Citation:
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PMID: 22313044 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Background: Insulinomas, although they are rare, are the most common of pancreatic islet cell tumours. The incidence is estimated at only four per million person-years and only 5-12% of reported cases are malignant. Distinction between malignant and benign tumours can only be made by the presence of metastasis, as there are no specific morphologic, biochemical or genetic features distinguishing them. Most patients with malignant insulinoma have lymph node or liver metastases and, rarely, bone involvement. The coincidence of insulinoma and diabetes mellitus is an extremely rare condition and reported only in a few cases. Case report: We report a 45-year-old woman who was diagnosed with insulinoma on the basis of clinical and laboratory findings and endoscopic examination. Histopathological diagnosis revealed well-differentiated endocrine carcinoma of the pancreas with lymph node metastase. The case was accepted as malignant insulinoma and the patient underwent surgery. Interestingly, hyperglycaemia occurred after the removal of the insulinoma, with the requirement for insulin in the post-operative 3 weeks, which was changed to oral anti-diabetic agents as a permanent treatment. The patient is still being treated with oral anti-diabetic agents. We think that the patient might have had diabetes mellitus, because of insulin resistance that developed with a high-caloric intake stimulated by hypoglycaemia, and which had been masked for many years, but manifested overtly after removal of the tumour. Conclusions: Although this is a rare condition, clinicians should bear in mind that insulinomas may exist together with diabetes mellitus, and it is important to have this suspicion when considering the perioperative approach and for the prevention of morbidities. © 2012 The Authors. Diabetic Medicine © 2012 Diabetes UK. |
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Authors:
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E Ademoğlu; U Unlütürk; K Ağbaht; A Karabork; D Corapçıoğlu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-2-7 |
Journal Detail:
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Title: Diabetic medicine : a journal of the British Diabetic Association Volume: - ISSN: 1464-5491 ISO Abbreviation: - Publication Date: 2012 Feb |
Date Detail:
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Created Date: 2012-2-8 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8500858 Medline TA: Diabet Med Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 The Authors. Diabetic Medicine © 2012 Diabetes UK. |
Affiliation:
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Department of Endocrinology and Metabolism Department of Pathology, Ankara University School of Medicine, Ankara, Turkey. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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