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This case study describes a testosterone-secreting adrenal adenoma in a 55-year-old woman, highlighting the presence of Reinke's crystalloids, suggesting that Leydig cells may play a role in such tumors.

This study observed significant inter- and intra-individual variability in serum testosterone levels among women treated with subcutaneous testosterone implants, suggesting that therapy should be guided by clinical response rather than single serum measurements.

This study found that abietic acid from pine resin more effectively inhibits testosterone 5α-reductase than several plant extracts, suggesting potential for treating androgen-dependent diseases.

This guideline provides evidence-based recommendations for prescribing testosterone therapy to women with hypoactive sexual desire disorder, noting a moderate therapeutic benefit but highlighting limited data and regulatory challenges.

This study found that long-term finasteride therapy in men with BPH worsened erectile dysfunction and reduced testosterone levels, while these effects were not observed with tamsulosin.

This study found weak to very weak correlations between estradiol, progesterone, and testosterone levels in the cerebrospinal fluid and serum of males without cerebral disorders.

This article reviews contraceptive options for individuals on testosterone gender-affirming hormone therapy, highlighting unique risks and benefits for this population, but it reports no new clinical findings.

This case study details a 57-year-old woman with symptoms of androgen excess, including rapid hair growth and temporal balding, alongside abnormal testosterone levels and a history of chronic renal failure.

This study observed that testosterone inhibits hair follicle epithelial cell proliferation in adult stumptailed macaques only when dermal papilla cells from bald scalps are present, with antiandrogen RU 58841 reversing this effect.

In this study, male-pattern baldness was strongly associated with a higher risk of keratinocyte cancers, particularly squamous cell carcinoma and melanoma, likely due to increased sun exposure on the scalp rather than androgen levels.

This study suggests that synthetic steroid analogues or 5α-reductase modulation could be potential therapeutic strategies for nervous system disorders, but further research on their effects is necessary.

This study found that a 5-mg daily dose of transdermal testosterone cream in postmenopausal women restored testosterone levels to those typical of premenopausal women.

In this study on male rats, parachlorophenylalanine treatment induced hypersexual behavior and hair loss linked to increased social interaction but had no effect on brain serotonin when testosterone was used instead.

This study found that low serum testosterone and elevated serum oestrone in men with cirrhosis are associated with worse liver disease and adverse health outcomes, suggesting oestrone as a potential ill health marker.

This case study reports that hormonal imbalances in a young boy with precocious pseudopuberty returned to normal after the removal of a testicular interstitial cell tumor, with normal spontaneous puberty following.

This study found that young women with female-pattern hair loss exhibit increased testosterone production rates while dihydrotestosterone production rates remain within or below the normal range.

This study isolated new geranylated coumarins from Mammea siamensis flowers and found that several of these compounds inhibit testosterone 5α-reductase.

This article reviews guidelines for testosterone replacement therapy in late-onset hypogonadism, emphasizing the need for clear indications and appropriate testing before treatment, but provides no new research findings.

This case report describes a functional adrenocortical oncocytoma that co-secreted testosterone and cortisol.

This study reports that new compounds with anti-androgenic effects were found to counteract testosterone in animals without significant estrogenic activity, indicating potential for managing androgen-related conditions.

This review suggests that oocyte retrieval may be viable for transgender men on testosterone therapy, with potentially manageable effects on fertility preservation without requiring extensive hormone suspension.

This study found that Lespedeza cuneata aqueous extract reduced serum dihydrotestosterone levels and 5α-reductase mRNA expression in testosterone-induced prostatic hyperplasia in rats, suggesting potential as a treatment for prostatic hyperplasia.

This study found that obesity in PCOS women with biochemical hyperandrogenemia lowers androstenedione levels and increases the testosterone to androstenedione ratio, but this was not observed in women with clinical hyperandrogenemia or in controls.

This study found that testosterone propionate increased hair mass in female hamsters' flank organs, while cyproterone acetate applied topically reduced androgen-stimulated hair in a dose-dependent manner.

In this study, researchers observed that in barn owls, the relationship between black feather spot size and testosterone levels varied by age and sex, suggesting involvement of genes regulating both traits rather than direct influence of testosterone on feather coloration.

In this study, topical EGCG significantly reduced testosterone-induced hair loss and follicular apoptosis in mice, without altering testosterone or dihydrotestosterone concentrations.

This study found that MENT is 10 times more potent than testosterone in suppressing gonadotropins and contributing to anabolism in monkeys, with a potentially wider therapeutic index for human androgen replacement and male contraception.

This article discusses whether testosterone's metabolism to 5α-dihydrotestosterone is necessary for androgenic effects in the skin but reports no new experimental results.

In this study, A. capillus-veneris solution demonstrated potential to reduce hair loss and improve hair characteristics in a testosterone-induced alopecia mouse model.

This study found that progesterone levels were higher and increased significantly throughout pregnancy, contrasting with stable levels in non-pregnant women.