2 citations
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February 2021 in “Endocrinology, diabetes & metabolism case reports” This case report describes a 15-year-old girl with severe hyperandrogenaemia linked to both an ovarian androgen-secreting tumor and HAIR-AN syndrome, highlighting the complexity of diagnosing polycystic ovarian syndrome.
2 citations
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May 2006 in “Women's Health Medicine” This article discusses polycystic ovary syndrome, describing its diagnostic criteria and noting that it is a common cause of anovulatory infertility and hirsutism, without reporting new research findings.
1 citations
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November 2007 in “Humana Press eBooks” This article reviews the differential diagnosis and management approaches for androgen excess disorders, highlighting the predominance of polycystic ovary syndrome as the underlying cause and reports no new clinical findings.
May 2026 in “Annals of Internal Medicine Clinical Cases” This case report describes a postmenopausal woman with androgenic alopecia and progressive hirsutism who, despite normal imaging, had significantly elevated testosterone due to a Leydig cell tumor, revealed after surgical exploration; the condition improved post-surgery, underscoring the importance of considering such tumors in similar presentations.
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.
May 2025 in “International Journal of Reproduction Contraception Obstetrics and Gynecology” In this case report, the researchers described a postmenopausal woman with androgenic symptoms who was found to have a benign Leydig cell tumor of the left ovary, indicated by elevated testosterone levels and MRI findings, which was successfully treated with surgery.
December 2024 in “AACE Clinical Case Reports” This study highlights a rare case of ovarian hyperthecosis in a 58-year-old postmenopausal woman, presenting with polycythemia and severe hyperandrogenism symptoms, with resolution of symptoms following laparoscopic bilateral oophorectomy.
March 2021 in “Der Hautarzt” This review covers the clinical features, pathophysiology, differential diagnoses, and therapeutic options for neuroendocrine paraneoplastic syndromes affecting the skin but reports no new clinical findings.
January 2021 in “Voprosy ginekologii akušerstva i perinatologii” In this article, the authors detail approaches for diagnosing and managing hyperandrogenism in young women, focusing on conditions like polycystic ovary syndrome and hirsutism, and highlight the importance of differentiating physiological from pathological causes to guide appropriate treatment strategies, often involving combined oral contraceptives.
April 2020 in “Journal of the Endocrine Society” This case report details a post-menopausal woman with hirsutism and virilization due to rare Leydig cell tumors in both ovaries, underscoring the challenge of detecting such tumors with standard imaging.
This case report describes a 65-year-old postmenopausal woman with hyperandrogenism caused by a non-malignant ovarian Leydig cell tumor, which is a rare cause of virilization.
April 2019 in “Journal of the Endocrine Society” In this case report, a 48-year-old woman's hyperandrogenism, presenting with symptoms like acne and hirsutism, was attributed to a benign Leydig cell tumor, which resolved after surgical removal.
April 2019 in “Journal of the Endocrine Society” This case report highlighted rapid virilization in a woman with adrenocortical carcinoma, stressing the importance of androgen evaluation to suspect underlying ovarian or adrenal tumors.
May 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” This study describes a postmenopausal woman's diagnosis with ovarian hyperthecosis, confirmed by a GnRHa test normalizing testosterone, highlighting hormone therapy as a therapeutic option when surgery is not feasible.
35 citations
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March 2012 in “Experimental and Clinical Endocrinology & Diabetes” This article discusses various causes of hyperandrogenism in women and highlights diagnostic considerations for conditions such as PCOS, NCCAH, Cushing's disease, and androgen-secreting tumors, without reporting new clinical results.
16 citations
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February 2018 in “European Journal of Endocrinology” This review discusses the challenges in measuring testosterone for assessing androgen excess in women and emphasizes the importance of quality control in laboratory methods, but it reports no new clinical results.
October 2025 in “Journal of the Endocrine Society” In this case study, a 68-year-old woman with hyperandrogenism and presumed ovarian origin responded well to GnRH agonist therapy, normalizing testosterone levels and stabilizing blood pressure, suggesting its effectiveness as a non-surgical treatment option.
February 2025 in “Clinical Chemistry” This case study reported a 34-year-old woman presenting with secondary amenorrhea, hirsutism, and obesity showed elevated testosterone and anti-Müllerian hormone levels, leading to the exclusion of nonclassical congenital adrenal hyperplasia as a diagnosis.
November 2022 in “The Journal of Clinical Endocrinology and Metabolism” This review discusses the causes and recommended clinical investigations for postmenopausal hyperandrogenism, highlighting the role of androgen excess in symptoms like hirsutism and its association with metabolic disorders.
15 citations
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May 2021 in “Climacteric” This review discusses the characteristics, diagnostic challenges, and management options for postmenopausal hyperandrogenism but reports no new clinical results; it highlights the importance of distinguishing potential androgen-producing tumors or hyperandrogenic disorders.
5 citations
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March 2001 in “Clinics in Dermatology” This article explores evidence for a rational strategy in the endocrine and metabolic management of patients with excess body hair or scalp loss and reports no new clinical results.
11 citations
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September 2015 in “Theriogenology” Testosterone boosts fluid and electrolyte secretion in seminal vesicles, aiding sperm function.
6 citations
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July 2018 in “Steroids” This study found that testosterone significantly influenced the expression and function of certain ion transporters in the vas deferens, impacting fluid secretion and contributing to a suitable environment for male fertility.
May 2023 in “IntechOpen eBooks” This review outlines the role of testosterone in male sexual development and its therapeutic use for male hypogonadism, covering its biosynthesis, secretion, metabolism, and various biological actions, but does not report specific study results.
10 citations
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March 1999 in “Comparative Haematology International” This study found that chronic administration of testosterone in mice induced an elevated EPO secretion response, possibly mediated through DHT, without affecting baseline EPO levels.
April 2024 in “JCEM case reports” In this case study, a 44-year-old woman with an adrenal adenoma secreting both cortisol and androgens developed Cushing syndrome and significant virilization, but experienced major symptom improvement following surgical removal of the benign tumor.
November 2022 in “Journal of the Endocrine Society” This case study reports a rare instance of an estradiol-secreting adrenocortical carcinoma in a 58-year-old male, causing feminization and Marie-Antoinette syndrome, with potential paraneoplastic aortitis.
4 citations
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June 2003 in “Fertility and Sterility” In this pilot study, finasteride increased testosterone/dihydrotestosterone and progesterone/dihydroprogesterone ratios in normal ovulatory women but did not alter ovulation or gonadotropin secretion.
2 citations
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December 2017 in “Theriogenology” This study found that V-ATPase plays a role in the acidification of vas deferens fluid under the influence of testosterone in orchidectomized rats.
1 citations
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December 2019 in “Frontiers in endocrinology” This study found that high prepubertal and pubertal androgen levels, originating from both adrenal and gonadal secretion, were negatively associated with adult height outcomes in males with Silver-Russell syndrome.