This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal Radiology, Subject name: Radiology
[{'content': 'All are features of ileocecal tuberculosis except? \nSelect and explain. \nA. Pulled Up Cecum, B. Fleischner Sign, C. Goose Neck Deformity, D. Wind-Sock Appearance of duodenum', 'role': 'user'}, {'content': "Answer: D \nExplanation: * Wind Sock Appearance of Duodenum is seen with intraluminal diveiculum of duodenum. Goose neck deformity occurs due to contracted, cicatrized, and pulled-up cecum as well as straightening of the terminal ileum seen in ileocecal tb . The 'Fleischner sign'(also known as the 'inveed umbrella sign'), refers to a widely gaping, thickened, patulous ileocaecal valve and a narrowed, ulcerated terminal ileum associated with tuberculous involvement of the ileocaecum.", 'role': 'assistant'}]