<prompt> Topical Mitomycin C is indicated in the treatment of which of the follwoing conditions?Endoscopic treatment of angiofibromaTreatment of skull base osteomyelitisSturge Weber syndromeTreatment for laryngeal stenosis  <response>: Topical application of Mitomycin C after endoscopic dilatation of laryngotracheal stenosis prevents restenosis. Mitomycin-C MMC inhibits fibroblast proliferation and synthesis of extracellular matrix proteins, and thereby modulates wound healing and scarring. 