抄録
A 34-year-old man with a history of transseptal hypophysectomy complained of nasal obstruction and bleeding. His nasal cavity and nasopharynx were filled with a large tumor. Histopathological examination revealed juveile angiofibroma. Surgical treatment (modified Denker's technique) was performed under general anesthesia. The tumor originated in the area of transection of the nasal septum in the previous hypophyseal operation. The pathogenesis of the tumor is discussed.