A 28 year old female comes to you with history of oligomenorrhea. On examination you note hirsutism and virilisation. USG showed that the left ovary is enlarged. The testosterone levels comes as 4 ng/ml. What is the MOST probable diagnosis? Note: The LH levels are normal.

PCOS is associated with elevated LH and mildly elevated testosterone. In case of stromal hypehecosis, though testosterone is elevated and LH is normal. Markedly elevated testosterone > 2 ng/ml is suggestive of tumor. Ref: Essentials of Gynaecology by Lakshmi Seshadri, Edition 1, page - 254.