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A 15-year-old girl with no menstrual period was diagnosed with a genetic condition that makes her body unable to respond to male hormones, leading to female characteristics despite having male genetic makeup.

A woman with scalp lymphoma and hair loss improved with radiotherapy, highlighting the need for biopsies in similar cases.

The conclusion is that genetic changes in the glucocorticoid receptor can lead to conditions affecting stress response, immunity, and metabolism, requiring personalized treatment.

Needle shape affects the force needed for hair implants, with certain shapes reducing the effort required.

Late diagnosis of congenital adrenal hyperplasia can greatly affect physical development, gender identity, and sexual health.

Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.

Goat hair growth and follicle activity change with the seasons and differ between males and females.

A woman had a rare reaction to ear piercing that caused earlobe swelling, which was best treated by removing the piercing and not re-piercing.

Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.

Chinese patients with primary cicatricial alopecia often have folliculitis decalvans, benefit from treatment, but may experience relapse, with dermoscopy being a useful diagnostic tool.

Over half of the dog skin disorders discussed have known gene variants, enabling genetic testing for diagnosis and responsible breeding.

Unsatisfactory hair restoration results can be significantly improved with strategic hair redistribution and new donor hair placement, despite previous surgery challenges.

Primary care is key in managing PCOS, focusing on lifestyle changes and medications like birth control and metformin.

Amenorrhea, or missing periods, is caused by various factors and is treated based on the specific cause.

Hair restoration surgery, done under local anesthesia, is used to hide scalp scars and treat certain alopecia stages, relying on transplant design and patient understanding for success.

Finasteride reduces sperm count and quality and alters hormone levels in mice.

5-Alpha reductase inhibitors may prevent prostate cancer but are not widely used due to concerns about trial relevance and potential risks, and more research is needed to confirm long-term benefits.

Androgenetic alopecia causes hair loss by shrinking hair follicles due to androgens, with the connection between the muscle and hair follicle determining if the loss is reversible.

FGFs-4, -8, and -9 have overlapping roles and are repeatedly used in tooth development.

The conclusion is that closing scalp wounds is possible, but restoring hair without donor material is still a major challenge.

The study concluded that immune cells attacking hair follicles cause hair loss in alopecia, with genetics and environment also playing a role, and highlighted the potential of certain treatments.

Aging changes sugar molecules on skin stem cells, which may affect their ability to repair skin.

New hair and scalp disease diagnosis methods are important for correct treatment.

The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.

Most adrenal cortex tumors are benign and non-secreting, but proper diagnosis and treatment are important due to the rare possibility of cancer.

About 7% to 15% of Iranian women have polycystic ovary syndrome, depending on the criteria used to diagnose it.

Urologists prescribe newer medications more often than primary care physicians, who could benefit from more education on treatment options.

Scientists turned mouse stem cells into skin cells that can grow into skin layers and structures.

Dengue virus can infect human hair follicle cells and may cause hair loss.

Platelet-Rich Plasma (PRP) can improve hair loss in cicatricial alopecia cases, but treatment must be ongoing and results vary among patients.