Treatment of subglottic stenosis with CO2 laser excision and topical application of mitomycin C

Twenty patients were gathered from El Menoufiya university hospital with subglottic stenosis caused by laryngoscleroma. The patients were divided into two groups group [A] and [B] .Patients were treated by CO2 laser excision of subglottic stenosis and topical application of mitomycin C high concentration 10 mg/ml group [A] and low concentration 0.4 mg/ml group [B]. seven patients in group [A] and six patients in group [B] get improved after single surgical procedure. One patient in each group get impoved after two surgical procedures. Two patients in group [A] and three patients in group [B] undergone three surgical procedures with no improvement