Colon adenocarcinoma after jejunoileal bypass for morbid obesity

Abstract

Jejunoileal bypass (JIB) was developed as a surgical treatment for morbid obesity in the early 1950s. However, this procedure is now known to be associated with multiple metabolic complications and has subsequently been abandoned as a viable bariatric procedure. Some of these known complications include renal stone formation, liver failure, migratory arthritis, fat-soluble deficiencies, blind-loop syndrome and severe diarrhea. Additionally, there have been animal models suggesting colon dysplasia after JIB. To our knowledge however, in humans, no colon cancers have been attributed to JIB in the literature. Here we report a 63-year-old morbidly obese female who had a JIB surgery in 1973 and subsequently was found to have numerous sessile colonic polyps throughout her colon and adenocarcinoma of the ascending colon without any family history of colonic polyposis syndromes or colon cancer.

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