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该文回顾了１９８７～１９９５年在Ｐｉｔｔｓｂｕｒｓｈ大学医学中心接受治疗的青少年鼻咽血管纤维瘤（ＪＮＡＳ）的病例资料，旨在探讨涉及选择最佳手术径路的因素。１６例患者均为男性，年龄９～３８岁（中位数为１４岁），２例有手术史，随访３个月～５年（中位数为１９个
This paper reviews the case history of juvenile nasopharyngeal angiofibroma (JNAS) treated at the Pittsbursh University Medical Center from 1987 to 1995 in order to explore the factors involved in selecting the optimal surgical approach. All 16 patients were male, aged 9-38 years (median 14 years). Two patients had a history of surgery and were followed up for 3 months to 5 years (median, 19