A<unk> , also<unk>  (US spelling), is a sex cord-gonadal stromal tumor of<unk>  cells. They can occur in the testis or ovary. They are very rare and generally peak between the ages of 35 and 50. They are typically well-differentiated, and may be misdiagnosed as seminomas as they often appear very similar. A tumor that produces both<unk>  cells and Leydig cells is known as a<unk> -Leydig cell tumor.
Sertoli cell tumour
Granulosa cell tumour
Leydig cell tumour
Ovarian germ cell tumors
Gonadoblastoma
Sertoli–Leydig cell tumour
Theca lutein cyst
Sex cord–gonadal stromal tumour