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Male infertility and genitourinary birth defects are often linked to genetic issues.

Leydig cell tumors in the ovary can cause high testosterone and male traits in postmenopausal women but are treatable with surgery.

DHEA is the main sex steroid in cerebrospinal fluid, and testosterone in the fluid comes from the blood.

Mouse genital development depends on male or female hormones for specific features.

A 25-year-old man had an unusual case of benign skin tumors and hair loss.

Prepubertal girls have higher sex steroid levels than boys, possibly leading to earlier puberty.

DHT deficiency increases iNOS expression in rat testis and epididymis.

Testosterone boosts physical performance, grip strength, and lean body mass in older men with low testosterone.

Testosterone is key for male sexual function, and treating hormone imbalances can improve sexual issues.

Testosterone increases hair growth and acne in transgender men.

Keloids on the penis are rare, often triggered by circumcision, and rarely recur after surgery.

Electrospun gelatin-based nanofiber dressings are promising for wound healing due to their effective healing properties and ability to protect against infections.

Stretching damages Caucasian hair's structure more easily than Asian hair.

Ovine dermal papilla cells are promising for hair growth research due to their stable properties and hair-inducing abilities.

Platelet-rich plasma can aid tissue repair but faces challenges in standardization.

Different androgen concentrations affect wool-related gene expression differently in Hetian and Karakul sheep breeds.

MESTSV is a rare tumor that is mostly benign but needs long-term monitoring due to potential recurrence.

Sex steroids influence skin appendage function and neoplasm development, with changes in AR and ERalpha in certain gland neoplasms.

Ovarian Leydig cell tumors are hard to diagnose with just advanced imaging; expert ultrasound and clinical evaluation are essential.

Short-term finasteride use likely doesn't harm male fertility.

Finasteride use may be linked to rare testicular tumor, but more research needed.

Confirm testosterone levels with advanced tests to avoid unnecessary procedures.

Testosterone therapy improves strength and body composition in older men with low testosterone.

The development of breeding tubercles in male zebrafish relies on a specific enzyme that processes hormones.

Both terazosin and baclofen effectively reduce pain in young men with chronic testicular pain, with no difference in their effectiveness.

Mice without the enzyme HSD17B3 still produce normal testosterone, suggesting they have different ways to make it compared to humans.

Testosterone works in different ways, including direct interaction with its receptor, conversion to other hormones for specific effects on genitalia, hair, bones, and muscle, and changes in body fat and sexual function when low.

Men who went through puberty later had lower sperm counts and altered hormone levels, possibly affecting fertility.

Understanding testosterone and estradiol levels is crucial for identifying normal and abnormal hormone levels in men, especially as they age.

Urologic diseases and treatments in older men can negatively affect fertility, and doctors should talk to patients about this.