This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
A repo of "lead-pipe" appearance of the colon barium enema would be diagnostic of 
Select and explain. 
A. Amebiasis, B. Ulcerative colitis, C. Tuberculosis of the syndrome, D. A granulomatous polysosis
B: Ulcerative colitis
Answer: B: Ulcerative colitis 
Explanation: .Ulcerative colitis on barium enema shows Loss of haustrations,resulting in lead pipe appearance. ref:SRB&;s manual of surgery ,ed 3,pg no 849