<prompt> Pseudopolyps are features ofCrohns diseaseUlcerative colitisCeliac sprueWhipples disease  <response>: Ulcerative colitisUlcerative colitis is an inflammatory bowel disease characterized by -Inflammation involving only the mucosa and submucosaFormation of pseudopolypsInvolvement is in a continuous fashion absent of skip lesions which are characteristic of CDUlcerative colitis involves the rectum and extends proximally in a retrograde fashion to involve the entire colon pancolitis in more severe cases. 