Korean J Gastrointest Endosc > Volume 37(3); 2008 > Article
Korean Journal of Gastrointestinal Endoscopy 2008;37(3): 174-178.
대장내시경 소용종절제술에서 자동조절절개장치(Endocut)와 기존 혼합 절개파의 조직소견 비교
이시형ㆍ장병익ㆍ김태년ㆍ최준혁*
영남대학교 의과대학 내과학교실, *병리학교실
Histological Quality of Small Polyps Resected Using Different Electric Currents in a Colonoscopic Polypectomy
Si Hyung Lee, M.D., Byung Ik Jang, M.D., Tae Nyeun Kim, M.D. and Joon Hyuk Choi, M.D.*
Departments of Internal Medicine and *Pathology, Yeungnam University College of Medicine, Daegu, Korea
Abstract

Background/Aims:
Most polyps encountered during a colonoscopic polypectomy are small. Thus, accurate evaluation of small polyp histology is important in the decision-making process. The aim of this study was to assess and compare the histological quality of polyps obtained by the use of snare polypectomy with two different electric currents.
Methods:
Consecutive polyps less than 1 cm were identified and removed by use of either the blend mode (Blended mode, Circon, BC-200) or automatic cutting and coagulation mode (Endocut Q mode, effect 3, 40 watts, ERBE, VAIO-300). An experienced gastrointestinal pathologist evaluated the specimens for cautery damage, margin, architecture, presence of muscularis mucosa and general histological quality.
Results:
Sixty-six patients (77.2% men; mean age, 60.2±9.2 years) underwent 109 polypectomies (53 using the blended mode and 56 using the Endocut Q mode; mean polyp diameter, 0.87±0.17 mm). Age, gender, location, diameter and the histology of the polyp was not different with the use of both methods. The cautery amount (≥2) with use of the blended mode was not significantly different than with the use of the Endocut mode (50.9% vs. 39.2%, p=0.22). The cautery degree, margin, architecture, presence of muscular mucosa and overall histological quality was not different with the use of both methods.
Conclusions:
The histological quality of polyps less than 1 cm obtained by use of either the blended mode or Endocut Q mode was not different. (Korean J Gastrointest Endosc 2008;37:174- 178)
Key Words: Endocut, Blended cut, Colonoscopic polypectomy
주요어: Endocut, 혼합 절개파, 내시경 용종절제술
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