Colonic endoscopic submucosal dissection using S-O clip for appendiceal lesions

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  • 虫垂病変に対するS-O clipを併用した大腸ESDの治療成績

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<p>Aims: To evaluate the efficacy of endoscopic submucosal dissection (ESD) using S-O clip for appendiceal lesions.</p><p>Methods: This retrospective study was conducted on 40 appendiceal lesions that underwent ESD at our hospital. Lesions were classified as follows: Type 0: near the opening but does not extend, Type 1: extends to the opening but does not reach the lumen, Type 2: reaches the lumen but the lesion margin can be identified, Type 3: the opening is covered and extends deep into the lumen.</p><p>Results: Types 0/1/2/3 had 16/9/9/6 cases, respectively. S-O clips were used in all cases. The average procedure time and the en bloc resection rate were 46.8 minutes and 97.5%, respectively. Types 2/3 had significantly longer operation times for diameter than Types 0/1. Perforation was observed in 3 Types 2/3 cases, but were treated conservatively.</p><p>Conclusions: Although ESD becomes more difficult as the lesion progresses to the lumen of the appendix, it can be performed relatively safely using the S-O clip.</p>

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