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Laparoscopic gastric bypass with unexpected intestinal malrotation

Epublication WebSurg.com, Dec 2017;17(12). URL: http://websurg.com/doi/vd01en5128

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  • 2017-12-15
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There are only a few descriptions of laparoscopic Roux-en-Y gastric bypass (LRYGB) in the setting of intestinal malrotation and these are limited to clinical case reports. Intestinal malrotations usually present in the first months of life with symptoms of bowel obstruction. However, in rare cases, it can persist undetected into adulthood when it could be incidentally identified. The anatomical abnormalities which should alert us to this possibility are an absent duodenojejunal angle, the small bowel on the right side of the abdomen, the caecum on the left, and the absence of a transverse colon crossing the abdomen. Identification and adjustment of the surgical technique at the time of laparoscopic Roux-en-Y gastric bypass (RYGB) is crucial to prevent a very distal RYGB or avoid confusion between the Roux limb and the common channel. The construction of the laparoscopic Roux limb can be safely performed with adjustments to the standard technique. We present the case of a 45-year-old woman with a long history of morbid obesity, hypertension, and hyperlipidemia. The patient had no complaints and presented a normal preoperative evaluation. After a multidisciplinary evaluation, she was elected to undergo a LRYGB. We report an intestinal malrotation discovered at the time of LRYGB, and detail the incidental findings and the technical aspects which require to be incorporated in order to complete the operation safely.