释义 |
juvenile angiofibroma ju·ve·nile an·gi·o·fi·bro·maa markedly vascular fibrous tumor occurring in the nasopharynx of males, usually in the second decade of life; epistaxis and local invasion may result, but spontaneous regression may occur after sexual maturity. Synonym(s): juvenile hemangiofibromaangiofibroma A benign nasopharyngeal tumour which is most common in adolescent and young adult males. Clinical findings Repeated epistaxis, nasal congestion and discharge, hearing loss. Imaging Skull film, CT of head. Management Excision if lesion is enlarging or blocking airway.juvenile angiofibroma A rare benign tumour occurring at the back of the nasal cavity affecting male adolescents almost exclusively. The tumour is probably a form of vascular malformation and consists of irregular vascular endothelial-lined spaces embedded in a fibrous stroma. Its blood supply is derived from the sphenopalatine artery and sometimes also from the internal carotid artery. |