期刊
SURGICAL LAPAROSCOPY ENDOSCOPY & PERCUTANEOUS TECHNIQUES
卷 24, 期 5, 页码 400-405出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SLE.0000000000000050
关键词
obesity; bariatric surgery; gastric cancer
类别
Background: Bariatric procedures can induce a massive weight loss that lasts for > 15 years after surgery; in addition, they achieve important metabolic effects including diabetes resolution in the majority of morbidly obese patients. However, some bariatric interventions may cause gastroesophageal reflux disease and other serious complications. The aim of our study is to evaluate the risk of cancer after bariatric surgery. Methods: We conducted a review of the literature about the cases of gastric cancer arising after any bariatric procedure, including a case of adenocarcinoma incidentally discovered by the authors 6 months after laparoscopic adjustable gastric banding. Results: Globally, 17 case reports describing 18 patients were retrieved, including the case study by the authors. The diagnosis of tumor was at a mean of 8.6 years after bariatric surgery, 9.3 years after RYGB, and 8.1 years after restrictive procedures. The adenocarcinoma represented most cases (15 patients, 83%). In the patients with RYGB, the adenocarcinoma was localized in the excluded stomach in 5 patients (83%) and in the pouch in 1 patient (17%). After a restrictive procedure, the cancer was localized in the pouch in 5 patients (62.5%), in the pylorus in 2 patients (25%), and in lesser curvature only in 1 patient (12.5%). Conclusions: There is a lack of evidence about a connection between the late occurrence of gastric adenocarcinoma and the bariatric surgery. For this reason, although the preoperative upper endoscopy is still mandatory, there is no need for a regular endoscopic evaluation of patients after surgery.
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