The exact cause of<unk>  is not known. Research studies seem to indicate that certain genetic mutations (in the DICER1 gene) may play a role in many cases.
Sertoli–Leydig cell tumour
Granulosa cell tumour
Sertoli cell tumour
Sex cord–gonadal stromal tumour
Ovarian fibroma
Seminoma
Follicular cyst of ovary
Corpus luteum cyst