This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
Topical mitomycin -C is used in 
Select and explain. 
A. Surge Weber syndrome, B. Laryngo tracheal stenosis, C. Endoscopic Angiofibroma, D. Skull base osteomyelitis
B: Laryngo tracheal stenosis
Answer: B: Laryngo tracheal stenosis 
Explanation: Application of topical mitomicin C after endoscopic dilation of laryngo tracheal stenosis reduces the rate of Re stenosis It is also useful for anal carcinoma and superficial bladder cancer Refer American college of chest physician's, 2008