April 2026 in “BMJ Case Reports” This case study highlights the challenges of diagnosing hyperandrogenism in postmenopausal women, reporting a patient with androgenic alopecia and high testosterone due to a benign Leydig cell tumor in the ovary; surgery successfully normalized testosterone levels.
9 citations
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November 2013 in “Gynecological Endocrinology” This case study identified a probable pure testosterone-secreting ovarian tumor in a woman with increased facial hair and elevated testosterone levels, confirmed by histological examination as Leydig cells hyperplasia, which normalized testosterone and symptoms post-surgery.
June 2020 in “AACE clinical case reports” This case report illustrates that Leydig cell tumors, despite causing significantly elevated androgen levels, can be difficult to localize due to their small size, as demonstrated in a 42-year-old woman whose tumor was only identified after oophorectomy.
October 2025 in “Journal of the Endocrine Society” This case study reported that sudden hyperandrogenism in postmenopausal women may indicate hormonally active ovarian tumors such as Leydig cell tumors, which can be effectively treated with surgery.
6 citations
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January 2010 in “Case Reports” This study describes the case of a Filipino woman with virilisation, where a rare ovarian Leydig cell tumour was identified and removed, normalizing her testosterone levels.
