Abstract
Gastrointestinal stromal tumors (GIST) of the stomach are being recognized with increasing frequency. The diagnosis is usually made on the basis of appearance on computed tomography (CT) and excision is recommended for GIST larger than 5 cm. We report a 39-year-old woman referred for resection of a presumed GIST of the gastric fundus diagnosed by CT scan and upper gastrointestinal (UGI) series. A laparoscopic resection was performed, but upon pathologic examination the mass proved to be a bronchogenic duplication cyst of the stomach. Bronchogenic and esophageal duplication cysts usually arise in the chest or mediastinum. On rare occasions bronchogenic cysts may lose their connection to the tracheobronchial tree and migrate to a subcutaneous position in the neck or descend into the retroperitoneum. The importance of this case is that it demonstrates a rare yet essential component to the differential diagnosis of lesions of the stomach.
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