Due to excess testosterone secreted by the tumour, one-third of adult females present with a recent history of progressive masculinization. Masculinization is preceded by anovulation, oligomenorrhoea, amenorrhoea and defeminization. Additional signs include acne and hirsutism, voice deepening, clitoromegaly, temporal hair recession, and an increase in musculature. Serum testosterone level is high.
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