<prompt> Topical mitomycin C is used to aid the following treatmentEndoscopic treatment of angiofibromaTreatment of laryngotracheal stenosisSkull base osteomyelitisSturge weber syndrome  <response>: 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 mgmL was used as an adjuvant treatment in the endoscopic laser management of laryngeal and tracheal stenosis Ref: Internet sources. 