Cat scratch colon – A very rare complication of colonoscopy

Background: In recent years a new kind of lesion of the colon diagnosed during colonoscopy has been described. The findings are characterised by superficial bright red linear marks in the mucosa of the colon. These marks are mostly located in the ascending colon and cecum and are named „cat scratch colon“ because of their macroscopic aspect resembling scratches caused by cat's claws. Only very few cases have been reported so far in the literature. Case report: We report on a case of a 67 year old woman presenting with lower abdominal pain and diarrhoea for 5 weeks who was referred to colonoscopy. The patient had…