腹腔鏡下に切除した腹腔内出血をきたした胃gastrointestinal stromal tumor の1例

A 67 year-old man was admitted for sudden epigastralgia. At that time, although conscious, thepatient was in shock and was found on physical examination to have tenderness and reboundtenderness of the upper abdomen. Abdominal computed tomography（CT）showed hemoperitoneumand gallbladder stone. He was found in gastroendoscopic examination to have a submucosaltumor. After admission analgesics decreased abdominal pain and the patient was sent forlaparoscopic surgery. We found 500 g of blood in the intra-abdominal cavity and a bleeding tumorgrowing from the antrum of the stomach. The tumor was excised by wedge resection of thegastric wall. Histopathological diagnosis was gastrointestinal stomal tumor of the stomach（GIST）.12 cases of hemoperitoneum caused by GIST have been reported, but only in our case lapaloscopictreatment was performed.