Abstract

AbstractInverted colonic diverticula (ICD) are infrequent colonoscopy findings and usually can be misdiagnosed as colon polyps. Further endoscopic intervention including biopsy or polypectomy is dangerous and might lead to severe complications. We report a case of inverted colonic diverticulum mimic colon polyp, characteristics with Aurora rings surrounding the lesion and these rings were enhanced by narrow‐band imaging. Besides, the polypoid lesion was reverted to a typical diverticular appearance after direct water jet. Endoscopists should be aware of the possibility of ICD and be familiar with the endoscopic characteristics and maneuvers for different diagnoses of ICD from colon polyps to avoid unnecessary dangerous intervention.

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