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[Clinical evaluation of nonseminomatous testicular germ cell tumors].

We treated 26 patients with nonseminomatous germ cell tumors (NSGCT) between January 1976 and March 1989. Histologically, 7 were embryonal carcinoma (27%), 4 were teratoma (15%), 2 were yolk sac tumor (8%), 10 were teratocarcinoma (38%) and 3 were other mixed tumors. As regards staging, 18 belonged to stage I (69%), 1 to stage II A (4%), 1 to stage IIB (4%), 1 to stage IIIA, 2 to stage III B1 (8%) and 3 to stage III B2 (12%). Patients in stage I were treated by orchidectomy with lymphadenectomy and occasionally chemotherapy before 1984, resulting in a 100% 5-year survival. However, after 1985, 5 cases in stage I were treated by orchidectomy alone according to a watch-and-see policy. Two cases among them relapsed within two years and both of them contained immature teratoma elements. Six patients with metastatic tumor were treated with PVB therapy of which response rate was 66.7%. The total 5-year survival rate of patients in stage I, II and III was 100%, 50%, 50%, respectively and that in overall cases was 84.6%.