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?
High-Yield Explanation
Juvenile nasopharyngeal haemangiofibromas are rare nonmalignant tumors containing both fibrous and vascular tissue. They occur exclusively among boys.