<prompt> Which of the following testicular tumor is not a germ cell neoplasm -SeminomaYolk sac tumorSertoli cell tumorTeratoma  <response>: Testicular tumorTesticular tumors are divided into two major categories : -Germ cell tumors : Seminoma Embryonal carcinoma Yolk sac endodermal sinus tumorSpermatocytic seminoma ChoriocarcinomaTeratomaSex cord tumors :Leydig cells tumorSertoli cell tumorApproximately 95 of testicular tumors are germ cell tumors. 