<prompt> A 5-year-old boy presented with abdominal distension, fever, bilious vomiting and constipation. He also has a history of recurrent episodes of severe pain abdomen, tenesmus and blood in stools. Exploratory laparotomy was done and a poion of intestine had to be resected, which is seen below. What is the probable diagnosis?Crohn diseaseUlcerative colitisCeliac diseaseIntestinal lymphangiectasia  <response>: Multiple skip lesions with areas of intervening normal mucosa, along with history of abdominal distension, fever, bilious vomiting blood in stools, suggest a diagnosis of Crohn ds. Ulcerative colitis : Continuous ; no normal intervening mucosa ; leadpipe stem appearance 