Nasopharyngeal angiofibroma is:

Nasopharyngeal fibroma is the most common benign tumor of nasopharynx. Most common site is posterior pa of nasal cavity close to the margin of Sphenopalatine foramen. Though it is a benign tumor, it is locally invasive and destroys the adjoining structures. Juvenine Angiofibroma is uncommon, benign and extremely vascular tumor that arises in the tissues within the sphenopalatine foramen.