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: Pediatrics
Laryngeal papilloma- 
Select and explain. 
A. Single, B. Multiple, C. Seen in children, D. All
D: All
Answer: D: All 
Explanation: Ans. is 'a' i.e., Single; 'b' i.e., Multiple & 'c' i.e., Seen in children Laryngeal papilloma o Most common benign tumor of larynx Single or multiple irregular, wa like glottic masses. HPV-6 & 11 may be the causative factor. Treatment is with CO2 laser ablation. a-IFN and indole - 3 - carbinole may also be used.