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HOME > Clin Endosc > Volume 37(5); 2008 > Article
Three Cases of Colonic Pseudolipomatosis Induced by Endoscope Disinfectant
[Epub ahead of print]
DOI: https://doi.org/
Published online: November 30, 2008
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
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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)


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