Colonoscopic excision of large and giant colorectal polyps

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Abstract

Large polyps are sessile or pedunculated lesions that are larger than or equal to 3 cm in size. Sixty-six colonoscopic piecemeal excisions of large pedunculated and sessile polyps (75 percent of 88 recognized large polyps) were performed over eight years. The macroscopic feature of the lesions and the result of an extensive snare biopsy were the deciding factors for endoscopic as opposed to surgical removal. Only three complications (4.5 percent) were recorded (two hemorrhages and one colonic wall burn syndrome), none of which required surgery. Fifty patients with 52 adenomatous lesions had colonoscopic follow-up (range, 3 to 85 months). Of 36 sessile adenomas, two cases of residual (5.5 percent) and four of recurrent disease (11 percent) were observed. Colonoscopic removal is an alternative to local surgical excision of large benign colorectal polyps, and often can be an alternative method to elective colectomy in elderly and high-risk patients.

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