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Pitulak Aswakul 1 Article
Gastric Somatostatinoma: An Extremely Rare Cause of Upper Gastrointestinal Bleeding
Varayu Prachayakul, Pitulak Aswakul, Morakod Deesomsak, Ananya Pongpaibul
Clin Endosc 2013;46(5):582-585.   Published online September 30, 2013
AbstractAbstract PDFPubReaderePub

A 49-year-old woman presented with chronic abdominal discomfort, significant weight loss, and chronic intermittent diarrhea. She suddenly developed massive upper gastrointestinal bleeding and was referred for further treatment. Endoscopy indicated a large mass in the upper gastric body with antral and duodenal bulb involvement. Endosonography showed a large well-defined isoechoic gastric subepithelial mass with multiple intra-abdominal and peripancreatic lymphadenopathy, suspected to be malignant on the basis of fine needle aspiration cytology. The tumor was surgically removed, and histopathology showed typical characteristics of a neuroendocrine tumor. On the basis of immunohistochemical staining, somatostatinoma, a rare neuroendocrine tumor, was diagnosed. Gastrointestinal bleeding is a rare presentation and the stomach is an uncommon tumor location.

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