This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
[{'content': 'Topical mitomycin C is used to aid the following treatment \nSelect and explain. \nA. Endoscopic treatment of angiofibroma, B. Treatment of laryngotracheal stenosis, C. Skull base osteomyelitis, D. Sturge weber syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Mitomycin-C is an antineoplastic antibiotic that acts as an alkylating agent by inhibiting DNA and protein synthesis. ... Topical application of mitomycin C (0.4 mg/mL) was used as an adjuvant treatment in the endoscopic laser management of laryngeal and tracheal stenosis Ref: Internet sources.', 'role': 'assistant'}]