Which of the following testicular tumor is not a germ cell neoplasm -

Testicular tumor Testicular tumors are divided into two major categories : - Germ cell tumors :  Seminoma         Embryonal carcinoma  Yolk sac (endodermal sinus) tumor Spermatocytic seminoma    Choriocarcinoma Teratoma Sex cord tumors : Leydig cells tumor Sertoli cell tumor Approximately 95% of testicular tumors are germ cell tumors.