Laparoscopic resection of gastric diverticulum presenting after Roux-en-Y gastric bypass.

Gastric diverticula are extremely rare and may be congenital or acquired. Postgastrectomy formation of gastric diverticula has been attributed to outpouching through the weakened wall of the stomach. When symptomatic, gastric diverticula may cause pain, nausea, dysphagia, and vomiting. Gastric diverticula may also be associated with ectopic mucosa, ulcers, and neoplastic changes. We report a case of gastric cardia diverticulum that became symptomatic after laparoscopic Roux-en-Y gastric bypass. The patient was successfully treated with laparoscopic resection.