Comments: Inhibin A is a sensitive and a specific marker that serves to separate testicular sex cord-stromal tumors from germ cell tumors. In one immunohistochemical study, Inhibin A expression was seen in 91% of sertoli cell tumors and 100% of sertoli cell adenomas and leydig cell tumors (Iczkowski KA et al. Mod Pathol 1998 Aug; 11(8):774-9)return to Sex Cord & Stromal Tumors
