This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
[{'content': 'All of the following are causes of saddle nose deformity except \nSelect and explain. \nA. Trauma, B. Hematoma, C. Leprosy, D. Sarcoidosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Saddle nose (Depressed nose)The nasal dorsum is depressed (sagging of the bridge of nose)Depressed nasal dorsum may involve either bony, cailaginous or both bony and cailaginous componentsMost common etiology: Nasal traumaCauses are the hematoma: excessive surgical removal, trauma, syphilis, abscess, Leprosy, and tuberculosisRef: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 161', 'role': 'assistant'}]