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: ENT
[{'content': 'Cholesteatoma (Atticoantral) true about -a) Scanty, malodorous dischargeb) Otalgiac) Central perforationd) Ossicular involvemente) Eustachian tube dysfunction \nSelect and explain. \nA. ade, B. bde, C. abd, D. ad', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cholestatoma is associated with atticoantral type of CSOM / atticoantral or marginal perforation (and not central perforation).\nCholesteatoma leads to destruction of bones therefore there is scanty foul smelling discharge and ossicular necrosis.\nHearing loss occurs if ossicles are involved.\nIt is of conductive type but if complications like labyrinthitis intervene, SNHL may also be seen.\nBleeding may occur from granulations or polyp.\nOtalgia is not seen in case of cholesteatoma\n\nRef. Dhingra 5/e, p 77, 81, 6/e, p 68, 72; Current olotaryngology 2/e, p 666, 3/e, p 683-684; Mohan Bansal p 211', 'role': 'assistant'}]