This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Gastrointestinal System Including Diarrhea, Subject name: Pediatrics
[{'content': '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? \nSelect and explain. \nA. Crohn disease, B. Ulcerative colitis, C. Celiac disease, D. Intestinal lymphangiectasia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 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 ; lead/pipe stem appearance', 'role': 'assistant'}]