Combined endo-laparoscopic surgery for difficult benign colorectal polyps

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Abstract
Prevention of colorectal cancer (CRC) depends largely on the detection and removal of colorectal polyps. Despite the advances in endoscopic techniques, there are still a subgroup of polyps that cannot be treated purely by endoscopic approach, which comprise of about 10–15% of all the polyps. These so-called “difficult colorectal polyps” are polyps with large size, morphology, at difficult location, scarring or due to recurrence, which have historically been managed by surgical segmental resection. In treating benign difficult colorectal polyps, we have to balance the operative risks and morbidities associated with surgical segmental resection. Therefore, combined endoscopic and laparoscopic surgery (CELS) has been developed to remove this subgroup of difficult benign polyps. We review the currently use of CELS for difficult benign colorectal polyps which includes laparoscopy-assisted endoscopic polypectomy (LACP), full-thickness laparo-endoscopic excision (FLEX) and colonoscopy-assisted laparoscopic wedge resection (CAL-WR).

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