<prompt> Earliest barium enema finding in UC isLoss of haustrationPseudopolypsRigid contracted tubeIrregular colon wall  <response>: A Loss of haustration Special Investigations - BARIUM ENEMA Barium enema findings in this disease are:- Loss of haustration. This is an early finding and is thought to be due to paralysis of the muscularis mucosa. Irregularities of colon wall represent small ulcerations. As the disease progresses, pseudopolyps become a prominent finding. In advanced cases the colon assumes the appearance of a rigid contracted tube due to the scar that forms with repair. 