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
All are features of ileocecal tuberculosis except? 
Select and explain. 
A. Pulled Up Cecum, B. Fleischner Sign, C. Goose Neck Deformity, D. Wind-Sock Appearance of duodenum
D: Wind-Sock Appearance of duodenum
Answer: D: Wind-Sock Appearance of duodenum 
Explanation: * 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.