12 citations
,
January 2020 in “touchREVIEWS in Endocrinology” Testosterone may both worsen and protect against COVID-19 effects in men.
5 citations
,
August 1987 in “Andrology” Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.
1 citations
,
December 2019 in “Frontiers in endocrinology” Higher androgen levels during puberty are linked to shorter adult height in boys with Silver-Russell syndrome.
15 citations
,
June 1986 in “Pediatric Dermatology” Androgens increase pigmentation in young hamsters, but estrogens can reverse this effect.
October 2025 in “Journal of the Endocrine Society” Anastrozole can cause increased testosterone, leading to symptoms like hair growth and thinning.
5 citations
,
November 2001 in “PubMed” An 80-year-old woman's severe hair loss was caused by a hormone-secreting ovarian tumor.
April 2014 in “The FASEB Journal” Testosterone reduces knee movement, while flutamide and finasteride increase it.
1 citations
,
October 2024 in “BMJ Case Reports” Fertility-preserving surgery can help women with early-stage Sertoli-Leydig cell tumors conceive naturally.
January 2014 in “edoc (University of Basel)” Anabolic steroids and inflammation can disrupt androgen metabolism, potentially causing health issues.
January 2021 in “touchREVIEWS in Endocrinology” Surgery successfully treated a hidden ovarian tumor causing hair loss and excess hair growth in a postmenopausal woman.
23 citations
,
July 2015 in “The Journal of Membrane Biology” Testosterone increases certain proteins in the uterus, reducing fluid volume.
13 citations
,
September 2013 in “Steroids” The DHT immunoassay is unreliable due to high cross-reactivity with testosterone.
10 citations
,
December 2019 in “in Vivo” Testosterone makes the connections in the uterus lining simpler and lowers certain protein levels, which might lead to infertility.
43 citations
,
April 2011 in “AJP Endocrinology and Metabolism” Androgens increase muscle mass by promoting myoblast growth through ornithine decarboxylase.
15 citations
,
May 1986 in “Journal of the American Veterinary Medical Association” Castration helped a dog with a tumor and hair loss by normalizing hormone levels and regrowing hair.
3 citations
,
January 2018 in “Frontiers in bioscience” Daily subcutaneous testosterone effectively restores testosterone levels in men.
May 2017 in “Endocrine Abstracts” Testosterone levels are not linked to erectile dysfunction in young and middle-aged men with HIV.
2 citations
,
November 2019 in “Case reports in women's health” Ovarian vein sampling helped diagnose rare ovarian tumors causing high testosterone, and surgery to remove the tumors lowered the testosterone levels.
59 citations
,
September 2003 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Epitestosterone may counteract testosterone's effects and has roles in body processes like prostate growth and hair distribution.
May 2025 in “Journal of the ASEAN Federation of Endocrine Societies” Postmenopausal women with unusual hair growth should be checked for ovarian tumors.
May 2026 in “Annals of Internal Medicine Clinical Cases” A postmenopausal woman with androgenic alopecia and hirsutism was found to have a Leydig cell tumor despite normal imaging, as indicated by elevated testosterone levels. Surgical removal of the tumor led to hormonal normalization and clinical improvement, highlighting the diagnostic challenge of detecting occult androgen-secreting tumors in postmenopausal women. This case emphasizes the importance of considering Leydig cell tumors in the differential diagnosis of postmenopausal hyperandrogenism, even when imaging does not reveal abnormalities.
July 2025 in “AACE Endocrinology and Diabetes” Ovarian hyperthecosis caused high testosterone and virilization symptoms in a 60-year-old woman, which improved after surgery.
October 1984 in “Kidney international” The patient had complex urinary tract issues and ambiguous genitalia, with physical features suggesting a hormonal imbalance.
May 2021 in “Journal of the Endocrine Society” A woman's hair loss and other symptoms were due to a rare hormone deficiency treatable with steroids.
12 citations
,
March 2018 in “Medicine” A postmenopausal woman's hirsutism and high testosterone levels improved after surgery for an ovarian tumor not seen on ultrasound.
162 citations
,
April 2016 in “The Lancet Diabetes & Endocrinology” Testosterone therapy in transgender men has both desired effects like increased muscle mass and potential health risks such as higher cardiovascular risk.
10 citations
,
May 2009 in “Cases Journal” A woman's masculine symptoms were caused by an ovarian tumor, which improved after surgery.
11 citations
,
March 2016 in “Translational Andrology and Urology” Nandrolone might increase muscle mass with fewer side effects than testosterone but could cause erectile dysfunction and needs more research.
1 citations
,
January 2023 in “International journal of urology” Low zinc levels are linked to low testosterone but not to sexual problems.
1 citations
,
January 2021