This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Scanty, foul-smelling, painless discharge from the ear is characteristic feature of which of the following lesion? 
Select and explain. 
A. ASOM, B. Cholesteatoma, C. Central Perforation, D. Otitis externa
B: Cholesteatoma
Answer: B: Cholesteatoma 
Explanation: Scanty, foul-smelling, turbulent, painless discharge from the ear is the characteristic feature of cholesteatoma. Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 75