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Clinical Endoscopy ; : 582-585, 2013.
Article de Anglais | WPRIM | ID: wpr-125247

RÉSUMÉ

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.


Sujet(s)
Femelle , Humains , Adulte d'âge moyen , Cytoponction , Carbamates , Diarrhée , Endoscopie , Endosonographie , Hémorragie , Maladies lymphatiques , Tumeurs neuroendocrines , Composés organométalliques , Somatostatinome , Estomac , Perte de poids
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