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  • Title: [Endoscopic removal of large colorectal polyps].
    Author: Löhnert MS, Wittmer A, Doniec JM.
    Journal: Zentralbl Chir; 2004 Aug; 129(4):291-5. PubMed ID: 15354251.
    Abstract:
    BACKGROUND: Due to the potential risk of malignancy and technical difficulties in achieving complete removal, large colorectal polyps represent a special problem for the endoscopist. The aim of this study was to evaluate the capabilities and risks of endoscopy in complete removal of large colorectal polyps. METHODS: Endoscopic polypectomy of 189 colorectal polyps (141 sessile, 48 pedunculated) larger than 3 cm in diameter (range 3-13 cm) was carried out. Sessile polyps were removed using the piecemeal technique. RESULTS: Histology showed an adenoma in 173 cases, and invasive carcinoma was present in the adenoma in 16 patients. Complete endoscopic removal was achieved in one session in 129 sessile polyps and all pedunculated polyps; the other patients required two to ten sessions. Bleeding occurred in 20 patients during polypectomy, and after polypectomy in four. Except for two cases, definitive hemostasis was immediately achieved by endoscopic treatment. Perforation occurred in four patients. 3 were treated conservatively, in one patient who showed an invasive carcinoma of the cecum, resection was performed. There was no mortality due to polypectomy. During a median follow-up period of 77 months (6-107 months), six patients presented with recurrence of a benign adenoma, which was treated endoscopically, and one patient presented with a recurrent invasive carcinoma, which was treated surgically. CONCLUSIONS: Endoscopic polypectomy is a safe and effective method of treating large colorectal polyps, associated with a low complication rate, reduced hospital stay and lower costs in comparison to surgical procedure.
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