22 citations
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February 2014 in “Arquivos Brasileiros De Endocrinologia E Metabologia” An 81-year-old woman's severe male hormone symptoms were caused by an ovarian tumor, which was treated with surgery.
11 citations
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November 2006 in “Journal of Veterinary Diagnostic Investigation” In this case study, an 8-year-old female Huacaya alpaca displaying male behavior was diagnosed with an ovarian benign interstitial (Leydig) cell tumor, indicated by elevated testosterone levels.
10 citations
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May 2009 in “Cases Journal” This case study reports that a virilizing Leydig cell type ovarian tumor in a 40-year-old woman caused hyperandrogenism and virilization symptoms, which improved post-surgery.
7 citations
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March 2023 in “Gynecological Endocrinology” This study reported a rare case of ovarian steroid cell tumor removal resulting in normalized hormone levels, resumption of menstruation, and subsequent spontaneous pregnancy in a 31-year-old woman.
May 2025 in “Journal of the ASEAN Federation of Endocrine Societies” This case report highlights the need to assess postmenopausal women with hirsutism for hyperandrogenism causes, as exemplified by a Leydig cell tumor coinciding with primary hyperparathyroidism.