Gastrointestinal stromal tumor (GIST) - stomach

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Chronic epigastric pain. Had cholecystectomy with a choledochoduodenal anastomosis 40 years ago.

Patient Data

Age: 85 years
Gender: Female

There is a large relatively well-defined heterogeneouly enhancing soft tissue mass of submucosal location arising from the posterior wall of the gastric antrum, bulging into the gastric lumen with preserved mucosal layer.

Extensive intrahepatic aerobilia or pneumobilia (past history of cholecystectomy with choledochoduodenal anastomosis).

A duodenal diverticulum is noted (2nd part).

Case Discussion

CT features of a gastric tumor of submucosal location, pathologically proven as gastrointestinal stromal tumors (GIST).

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