Nasopharyngeal angiofibroma

April 30, 2008
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PATHOLOGY CLINIC

Juvenile nasopharyngeal angiofibromas (JNAs) are benign vascular tumors that account for less than 0.5% of all head and neck tumors. Because they are almost exclusively diagnosed in adolescent males, it has been hypothesized that JNAs respond to hormonal stimulus at puberty.

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