This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
All of the following features are diagnostic features in barium follow through of ileo coecal tuberculosis, EXCEPT: 
Select and explain. 
A. Apple core appearance, B. Pulled up or contracted cecum, C. Widening of ileocecal angle, D. Stricture involving terminal ileum
A: Apple core appearance
Answer: A: Apple core appearance 
Explanation: Apple core appearence is seen in carcinoma of colon. Terminal ileum and cecum are the most common sites of intestinal tuberculosis. Barium follow through findings in ileocecal TB includes: Initially there is intense ileocecal spasm (Stierlin's sign) Later the lumen and size of the cecum are compromised as granulomas form into a mass and undergo fibrosis. Mesocolon of the cecum contracs and cecum is pulled out of the right iliac fossa and shrinks resulting in classical, conical, pyramidal or pear shaped configuration.