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': 'A child presents with ear infection with foul smelling discharge. On fuher exploration, a small perforation is found in the pars flaccida of the tympanic membrance. Most appropriate next step in the management would be: \nSelect and explain. \nA. Topical antibiotics and decongestants for 4 weeks, B. IV antibiotics and follow up after a month, C. Tympanoplasty, D. Tympano-mastoid exploration', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Tympano-mastiod exploration can be done through various procedures: - Canal wall down proceduresAtticotomy, and rarely radical mastoidectomy. - Canal wall up proceduresCoical mastoidectomy', 'role': 'assistant'}]