March 2012 in “Hair transplant forum international” Environmental factors and chemicals might affect hormone balance and contribute to common hair loss.
3 citations
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October 1993 in “Endocrinology” 79 citations
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December 1990 in “Clinical endocrinology” The testes control steroid production through complex interactions involving various cells and signaling molecules.
29 citations
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November 1975 in “Clinics in endocrinology and metabolism” Testosterone is made by Leydig cells, is active when not bound to proteins, and works by binding to receptors in muscles and other tissues.
26 citations
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March 2001 in “PubMed” Men's fertility and sexual health decline with age, with reduced testosterone and virility, and many lose fertility by their eighties.
5 citations
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January 2018 in “Research Journal of Pharmacy and Technology” Finasteride significantly reduces fertility in male rats.
1 citations
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January 2011 in “Journal of Human Reproductive Sciences” Finasteride may decrease semen quality but not harm sperm production, and stopping the drug can improve semen quality; hyperprolactinemia can cause infertility but is treatable with medication.
Osteopathic manipulation therapy might help treat dementia caused by finasteride.
January 2001 in “亚洲男性学杂志:英文版” Men's fertility and sexual health decline with age, but some remain fertile into their eighties.
Finasteride may cause changes in dopamine-related genes, possibly leading to post-finasteride syndrome.
January 2014 in “edoc (University of Basel)” Anabolic steroids and inflammation can disrupt androgen metabolism, potentially causing health issues.
November 2022 in “Journal of the Endocrine Society” A rare ovarian tumor caused high testosterone and excess hair in a woman, which was resolved after tumor removal.
July 1997 in “Clinical Orthopaedics and Related Research” The woman had a benign bone tumor removed from her leg and remained healthy with no issues 8 years later.
32 citations
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January 2010 in “Journal of Korean Medical Science” A rare adrenal tumor in a 14-year-old girl caused male-like symptoms and was successfully removed.
November 2022 in “Journal of the Endocrine Society” An 8-year-old boy's early puberty was caused by a rare hormone-secreting brain tumor, which was successfully treated with surgery.
November 2022 in “Journal of the Endocrine Society” A woman's masculine features were caused by a rare ovarian tumor that produced male hormones.
August 2017 in “Journal of pediatric surgery case reports” A toddler with a rare adrenal gland tumor causing male-like physical changes was successfully treated with surgery.
105 citations
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October 2018 in “Nature” A small group of slow-growing cells causes basal cell carcinoma to return after treatment.
2 citations
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May 2018 in “Diagnosis” A 68-year-old woman developed male traits due to a tumor in her ovary, which was removed, returning her hormone levels to normal.
January 2026 in “Frontiers in Oncology” Thorough evaluation and surgery are crucial for managing rare ovarian tumors in postmenopausal women with high androgen levels.
October 2024 in “Journal of the Endocrine Society” Surgical removal of a rare ovarian tumor improved symptoms and hormone levels in a postmenopausal woman.
July 2019 in “Journal of the ASEAN Federation of Endocrine Societies” The woman had a rare adrenal tumor removed, and she recovered well with no signs of the tumor returning.
1 citations
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November 1998 in “Journal of Small Animal Practice” The dog had a Sertoli cell tumor, which was successfully removed with surgery.
July 2024 in “Journal of the ASEAN Federation of Endocrine Societies” In post-menopausal women, signs of increased male hormones should be checked for possible ovarian cancer.
Check hormone levels and blood counts before surgery in dogs with abnormal blood cell counts.
November 2022 in “Journal of the Endocrine Society” A 13-year-old girl's masculine symptoms improved after surgery for a rare adrenal tumor that produced male hormones.
October 2025 in “Journal of the Endocrine Society” A rare pituitary tumor in an 18-year-old male caused hormonal issues and vision loss, requiring surgery and further treatment.
4 citations
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May 2021 in “The American Journal of Surgical Pathology” Cutaneous Lymphadenoma is a unique skin tumor with specific protein markers and common gene mutations that may cause continuous cell growth.
11 citations
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May 2008 in “British journal of dermatology/British journal of dermatology, Supplement” Identical p53 gene mutations in different cancers suggest the need for careful treatment.
6 citations
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July 2018 in “DOAJ (DOAJ: Directory of Open Access Journals)” A woman had a rare liver tumor causing male-like physical changes, highlighting the need for thorough checks when such symptoms appear.