focal active colitis

focal active colitis

A pattern of colitis characterised by patchy distribution of architectural change and inflammation, crypt infiltration by neutrophils, focal crypt dropout and normal intervening mucosa. Focal active colitis is a nonspecific finding which may be seen in various colitides, including resolving infective colitis, NSAID enteropathy, Crohn’s disease, subacute ischaemic colitis and quiescent ulcerative colitis.