Histopathological study of colorectal injury after endoscopic polypectomy
- VernacularTitle:高频电切术所致大肠壁损伤的组织病理学观察
- Author:
Yanduo JIANG
;
Dan ZHANG
;
Jihong WANG
- Publication Type:Journal Article
- Keywords:
Colorectum;
Endoscopic polypectomy;
Electrothermal injur
- From:
Chinese Journal of Digestive Endoscopy
1996;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective The study was attempted to observe the colorectal injury due to endoscopic snare polypectomy. Methods Histopathological study was conducted on 47 snared colorectal polyps as well as on the corresponding sites in 34 patients who underwent surgery thereafter for malignancy. Results The injury to all snared specimens was confined within submucosa,while that to surgically resected specimens at the snared sites extended to muscular and serosal layers in 28 out of 34 cases, which manifested as focal necrosis in inner muscularis and hemorrhage between inner and outer muscle layers, bearing no continuity with submucosal change.The mean size of polyps snared with injury to muscularis and serosa at the site was larger than those without ( P10mm.
