A juvenile angiofibroma is a benign, or noncancerous, tumor made of tissue fibers and blood vessels.
A juvenile angiofibroma usually develops in the back part of the nasal cavity. It occurs most often in males around the time of puberty. A juvenile angiofibroma does not spread to other areas of the body, and can almost always be cured with treatment.
The cause of this tumor is not known. It occurs almost exclusively in males around the time of puberty.