<prompt> Topical mitomycin C is used in the treatment of:Basal skull cancerTrachea stenosisSkull base osteomyelitisAngiofibroma  <response>: Ans. b. Tracheal stenosis Topical Mitomycin C is the drug of choice used to aid the treatment of laryngeal stenosis. Topical Mitomycin C can inhibit fibroblast activity and restenosis. 