Seven cases of juvenile nasopharyngeal angiofibroma were studied in terms of the presence of estradiol, dihydrotestosterone, and testosterone in the juvenile nasopharyngeal angiofibroma tissue using the peroxidase-antiperoxidase method. Estradiol was positive in all cases, however, two cases showed reduced stainability. Dihydrotestosterone and testosterone were positive in two and five cases of the seven patients, respectively. Hormone receptors in the juvenile nasopharyngeal angiofibroma tissue seem to change by the activity of nasopharyngeal angiofibroma and by the patient's age.
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References
1.
KumagamiH.Testosterone and estradiol in juvenile nasopharyngeal angiofibroma tissue.Acta Otolaryngol (Stockh)111: 569–573, 1991.
