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Nasopharyngeal angiofibroma : ウィキペディア英語版
Nasopharyngeal angiofibroma

Nasopharyngeal angiofibroma (also called juvenile nasopharyngeal angiofibroma) is a histologically benign but locally aggressive vascular tumor that grows in the back of the nasal cavity. It most commonly affects adolescent males. Patients with nasopharyngeal angiofibroma usually present with one-sided nasal obstruction and recurrent bleeding.
==Signs and symptoms==

* Frequent chronic epistaxis or blood-tinged nasal discharge
* Nasal obstruction and rhinorrhea
* facial dysmorphism ( when locally invasive)
* Conductive hearing loss from eustachian-tube obstruction
* Diplopia, which occurs secondary to erosion into superior orbital fissure and due to third and sixth nerve palsy,
* proptosis when having intraorbital extension.
* Rarely anosmia, recurrent otitis media, and eye pain.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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