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KMID : 0988920160140020164
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Intestinal Research
2016 Volume.14 No. 2 p.164 ~ p.171
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Usefulness of endoscopic resection using the band ligation method for rectal neuroendocrine tumors
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Kim Ju-Seung
Kim Yoon-Jae
Chung Jun-Won
Kim Jung-Ho
Kim Kyoung-Oh
Kwon Kwang-An
Park Dong-Kyun
An Jung-Suk
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Abstract
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Background/Aims: Rectal neuroendocrine tumors (NETs) are among the most common of gastrointestinal NETs. Due to recent advances in endoscopy, various methods of complete endoscopic resection have been introduced for small (≤10 mm) rectal NETs. However, there is a debate about the optimal treatment for rectal NETs. In our study, we aimed to evaluate the efficacy and feasibility of endoscopic resection using pneumoband and elastic band (ER-BL) for rectal NETs smaller than 10 mm in diameter.
Methods: A total of 55 patients who were diagnosed with rectal NET from January 2004 to December 2011 at Gil Medical Center were analyzed retrospectively. Sixteen patients underwent ER-BL. For comparison, 39 patients underwent conventional endoscopic mucosal resection (EMR).
Results: There was a markedly lower deep margin positive rate for ER-BL than for conventional EMR (6% [1/16] vs. 46% [18/39], P=0.029). Four patients who underwent conventional EMR experienced perforation or bleeding. However, they recovered within a few days. On the other hand, patients whounderwent endoscopic resection using a pneumoband did not experience any complications. In multivariate analysis, ER-BL (P=0.021) was independently associated with complete resection.
Conclusions: ER-BL is an effective endoscopic treatment with regards to deep margin resection for rectal NET smaller than 10 mm. (Intest Res 2016;14:164-171)
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KEYWORD
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Neuroendocrine tumors, Rectum, Pneumoband, Elastic band, Endoscopic mucosal resection
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