Korean J Gastrointest Endosc > Volume 37(5); 2008 > Article
Korean Journal of Gastrointestinal Endoscopy 2008;37(5): 374-379.
내시경 소독제에 의해 유발된 대장 가성 지방종증 3예
이준영ㆍ김용성ㆍ손영우ㆍ오용열ㆍ박정현ㆍ김휘정ㆍ한원철*ㆍ손병관
원광대학교 의과대학 내과학교실, 소화기질환 연구소, 원광의과학 연구소, *병리학교실,을지대학교 의과대학 내과학교실
Three Cases of Colonic Pseudolipomatosis Induced by Endoscope Disinfectant
Jun Young Lee, M.D., Yong Sung Kim, M.D., Young Woo Sohn, M.D., Yong Reol Oh, M.D.,Jung Hyun Park, M.D., Hui Jung Kim, M.D., Weon Cheol Han, M.D.* and Byoung Kwan Son, M.D.
Departments of Internal Medicine, Digestive Disease Research Institute, Institute of Wonkwang Medical Science and *Pathology, Wonkwang University College of Medicine, Iksan, Department of Internal Medicine, Eulji University College of Medicine, Seoul, Korea
Abstract
Colonic pseudolipomatosis is a benign condition that is caused by mechanical trauma during an endoscopic procedure or by disinfectant colitis. It is characterized by empty vacuoles that are similar to the adipocyte in the lamina propria on histology and whitish plaques that are seen endoscopy. The prevalence of pseudolipomatosis is relatively low due to the lack of clinical experience and there have been no Korean reports about colonic pseudolipomatosis with the typical endoscopic findings. We report here on three cases of colonic pseudolipomatosis that was caused by endoscope disinfectant (paracetic acid). Typical whitish plaques were observed during the colonoscopic procedures in all 3 cases. In one case, whitish plaques appeared before our eyes immediately after the sudden appearance of whitish foamy fluid when the water button was depressed. H&E stain revealed empty vacuoles in the lamina propria and immunohistochemical staining showed no expression of CD31, CD34 and s-100. There were no symptoms related to these lesions in our cases. (Korean J Gastrointest Endosc 2008;37:374-379)
Key Words: Pseudolipomatosis, Colon, Endoscope disinfectant, Paracetic acid
주요어: 가성 지방종증, 대장, 내시경 소독제, 과초산
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