Korean J Gastrointest Endosc > Volume 26(6); 2003 > Article
Korean Journal of Gastrointestinal Endoscopy 2003;26(6): 397-404.
Insulated Tip Electrosurgical Knife를 이용한내시경적 위점막 절제술
연세대학교 의과대학 내과학교실, 소화기내과, 소화기병연구소
Endoscopic Mucosal Resection Using Insulated-tip Electrosurgical Knife
Young Soo Park, M.D., Seung Woo Park, M.D., Si Young Song, M.D., Tae Il Kim, M.D., Se Joon Lee, M.D., Jae Bock Chung, M.D. and Jin Kyung Kang, M.D.
Department of Internal Medicine, Division of Gastroenterology and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea

Endoscopic mucosal resection (EMR) has become a standard treatment for gastric mucosal neoplasm. A new EMR technique, using an insulated-tip electrosurgical knife (IT-EMR), was developed for large mucosal lesions. The aim of this study was to evaluate the efficacy and complication of IT-EMR.
IT-EMR was performed for 28 gastric mucosal lesions in 27 patients. En bloc resection rate, complete resection rate and complications were evaluated.
IT-EMR was performed successfully in 27 lesions, and one lesion was failed because of the presence of a non-lifting sign. En bloc resections were achieved in 24 lesions (88.9%), and piecemeal resections in 3 lesions. Complete resections were achieved in 23 lesions (85.2%). There were 6 episodes (22%) of bleeding which were controlled completely by endoscopic treatment, and there was no perforation. Ten lesions (37%) were adenocarcinoma, 4 (14.8%) were high- grade dysplasia, and 12 (44.5%) were low-grade dysplasia.
IT-EMR for large gastric mucosal neoplasm is a useful method for wide safety margin completeness of resection by en bloc resection. (Korean J Gastrointest Endosc 2003;26: 397⁣404)
Key Words: Insulated-tip knife, Endoscopic mucosal resection
주요어: Insulated tip knife, 위점막 절제술
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