Giant extra gastrointestinal stromal tumor of lesser omentum obscuring the diagnosis of a choloperitoneum.

Introduction: Herein we present an extremely rare case of a giant extra gastrointestinal stromal tumor (EGIST) of the lesser omentum obscuring the diagnosis of a choloperitoneum.

Presentation Of Case: A 79 years old female was admitted to our hospital with symptoms of vomiting and epigastric pain. Abdominal computer tomography revealed a sizable formation that was diagnosed as a tumor of the pancreas.