nasopharyngeal angiofibroma [L, nasus + Gk, pharynx, throat] , a benign tumor of the nasopharynx consisting of fibrous connective tissue with many vascular spaces. The tumor usually arises in puberty and is more common in boys than in girls. Typical signs are nasal and eustachian tube obstruction, adenoidal speech, and dysphagia. Also called juvenile angiofibroma, nasopharyngeal fibroangioma.
