<prompt> Thumb printing sign is seen in:Ischaemic colitisCa colonSigmoid volvulusAchalasia cardia  <response>: Ans: a Ischaemic colitisImportant barium enema findings Ileocecal TB Pulled up caecum, obtuse ileocecal angle, filling defect and incompetent Ileocecal valve. Ca colon-Irregular filling defect, apple core deformity. Ulcerative colitis-Loss of haustrations, lead pipe appearance Crohns disease-String sign of Kantor, raspberry thorn ulcers Colonic polyps-Smooth irregular filling defects Hirschsprung disease Dilated proximal zone with narrow distal zone of coning. Diverticulosis colon-Saw tooth appearance, champagne glass sign Ischemic colitis-Thumb print appearance Intussusception-Coiled spring appearance, claw sign Volvulus-Bird beak sign, ace of spades.Various appearances in barium swallow Bird beak appearance -Achalasia cardia Rat tailed appearance -Achalasia cardia Cork screw esophagus - Diffuse esophageal spasm Curling esophagus - Diffuse esophageal spasm Nut crackers esophagus- Diffuse esophageal spasm 