<prompt> Thump print sign in the abdominal radiograph indicates which of the following conditions?Ischemic colitisCrohns diseasePseudomembranous colitisAll the above  <response>: The thump print sign is seen in Inflamatory bowel disease Ulcerative colitis, Crohns, infectious colitis amoebic, pseudomembranous, ischaemic bowel disease and diveiculitis. The sign is a result of haustral mucosal thickening in most of the cases. 