This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Surgery
A 16-year-old boy complains of difficulty in breathing through his nose. Endoscopy reveals a tumor infiltrating the nasopharynx. Histology reports this as a juvenile nasopharyngeal haemangiofibroma. The boy's anxious mother requests information concerning the lesion. What should she be told? 
Select and explain. 
A. It is a premalignant lesion., B. It usually occurs with laryngeal obstruction., C. It is treated with radiotherapy., D. It may proceed to destroy surrounding bone.
D: It may proceed to destroy surrounding bone.
Answer: D: It may proceed to destroy surrounding bone. 
Explanation: Juvenile nasopharyngeal haemangiofibromas are rare nonmalignant tumors containing both fibrous and vascular tissue. They occur exclusively among boys.