This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
A 3-year-old male child presents with multiple laryngeal papillomas with hoarse voice and slight airway distress. Papillomas are involving the glottis. The best treatment is: 
Select and explain. 
A. Tracheostomy and observation, B. Steroids, C. Interferon therapy, D. Microlaryngoscopy and excision
D: Microlaryngoscopy and excision
Answer: D: Microlaryngoscopy and excision 
Explanation: Preferred treatment is microlaryngoscopy and excision. As the recurrence is common, repeated excisions may be required. Tracheostomy is avoided to prevent distal spread. Interferon therapy has not shown sustained benefit.