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
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

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.
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.
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.
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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