Marginal ulcer formation remains a common complication of the one anastomosis gastric bypass procedure, where the ulcer can further
perforate and present as peritonitis. Although this is uncommon, it is considered one of the life-threatening sequelae associated with this surgery.
We report here two different cases of perforated marginal ulcers, presented months after the procedure with an acute abdomen, and discuss the
surgical management using the laparoscopic approach to repair the perforation.
Keywords: Anastomosis, Mini gastric bypass, Morbid obesity, Marginal ulcer, Anastomotic perforation, Laparoscopic.
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