Retrograde Colonic Intussusception After Colonoscopy without Organic Pathology: A Case Report

Nobuhisa Tanioka; Michio Kuwahara; Takashi Sakai; Shigeto Shimizu; Shunsuke Kanazawa; Kentaro Mukaida; Shunsuke Uka; Motoki Takasaki; Hidekazu Abe; Kensuke Munekage; Toyokazu Akimori

doi:10.12659/AJCR.945423

13 October 2024 : Case report Japan

Retrograde Colonic Intussusception After Colonoscopy without Organic Pathology: A Case Report

Mistake in diagnosis, Diagnostic / therapeutic accidents, Rare disease

Nobuhisa Tanioka

^1AE*, Michio Kuwahara^1AD, Takashi Sakai^1DF, Shigeto Shimizu^1BF, Shunsuke Kanazawa^2DF, Kentaro Mukaida^2CF, Shunsuke Uka^2D, Motoki Takasaki^2D, Hidekazu Abe^2DF, Kensuke Munekage^2DF, Toyokazu Akimori^1AD

DOI: 10.12659/AJCR.945423

Am J Case Rep 2024; 25:e945423

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Figure 6. Two possible mechanisms of retrograde intussusception resulting from colonoscopy. First, the elasticity of the sigmoid colon may have caused it to invaginate the dilated descending colon when the sigmoid colon was stretched by hooking the tip of the camera to the splenic flexure (A, B). Second, friction during pushing may have pushed the sigmoid colon mucosa into the fixed descending colon (C, D).

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Retrograde Colonic Intussusception After Colonoscopy without Organic Pathology: A Case Report

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