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  • Title: Endoscopic resection for duodenal carcinoid tumors: a multicenter, retrospective study.
    Author: Kim GH, Kim JI, Jeon SW, Moon JS, Chung IK, Jee SR, Kim HU, Seo GS, Baik GH, Lee YC, Korean College of Helicobacter and Upper Gastrointestinal Research.
    Journal: J Gastroenterol Hepatol; 2014 Feb; 29(2):318-24. PubMed ID: 24117946.
    Abstract:
    BACKGROUND AND AIM: Gastrointestinal carcinoid tumors < 10 mm in diameter and limited to the submucosal layer demonstrate a low frequency of lymph node and distant metastasis, and are suitable for endoscopic treatment. The aim of this study was to assess the efficacy, safety, and long-term prognosis of endoscopic resections for the treatment of duodenal carcinoid tumors. METHODS: This study included a total of 41 duodenal carcinoid tumors in 38 patients between January 2006 and December 2011. The indications for endoscopic resection were lesions ≤ 10 mm in diameter, confined to the submucosal layer, and without lymph node or distant metastasis. Endoscopic resection was accomplished using endoscopic mucosal resection (EMR), EMR with a ligation device (EMR-L), EMR after circumferential precutting, or endoscopic submucosal dissection (ESD). RESULTS: EMR was performed in 18 tumors, EMR-L in 16, EMR after circumferential precutting in 3, and ESD in 4. En-bloc resection was performed in 39 tumors (95%), and endoscopic complete resection was achieved in 40 (98%); pathological complete resection was achieved in 17 tumors (41%). The endoscopic complete resection rate did not differ according to the resection method, but the pathological complete resection rate was higher for ESD than for EMR and EMR-L. Intraprocedural bleeding was noted in five cases, with no occurrence of perforation. Recurrence was not observed during the mean follow-up period of 17 months (range 1-53 months). CONCLUSION: Endoscopic resection appears to be a safe and effective treatment for duodenal carcinoid tumors measuring ≤ 10 mm in diameter and confined to the submucosal layer.
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