True about Crohn disease are all EXCEPT?: (A) Loss of haustration, (B) Growth failure, (C) Cobblestone colon, (D) Perianal fistula formation
Answer is A. Discussing about the options one by one, a. Loss of haustrations is a feature of ulcerative colitis b. Growth failure can even be the only manifestation of Crohn disease. c. Linear ulcers can give a cobblestone appearance to the mucosal surface in Crohn disease d. Perianal disease is common (tag, fistula, deep fissure, abscess) in Crohn disease