This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which of the following antineoplastic drug is used to prevent synechiae formation after endoscopic nasal procedures 
Select and explain. 
A. Actinomycin, B. Mitomycin, C. Epirubicin, D. Pentostatin
B: Mitomycin
Answer: B: Mitomycin 
Explanation: Topical Mitomycin - C is used to prevent synechiae formation after endoscopic nasal procedures.
It is an antitumor antibiotic which acts by inhibiting Topoisomerase - II. It is used topically to avoid systemic side effects.
Mitomycin is used for anal carcinoma, bladder carcinoma and laryngotracheal stenosis.