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Hormonal receptors in juvenile nasopharyngeal angiofibroma

Specific thermostable androgen receptors were detected in the tissues of nasopharyngeal angiofibroma. The receptors seemed to be specific with high affinity toward DHT more than testosterone. No abnormalities in serum levels of DHT, testosterone, and estradiol‐17 B could be detected in the patients studied. A concept of pathogenesis of the tumor in relation to that reported in literature recently is interpreted in the text.