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Trichoscopy is a useful tool for diagnosing hair and scalp issues, but doctors must be careful to avoid mistakes.

Most hair loss can be diagnosed with patient history and physical exam, and a few common types make up most cases.

The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.

Hair grafting is a key method for improving scars, especially in areas with hair, by transplanting hair to hide the scar while maintaining its original characteristics.

Alopecia causes smaller hair follicles and affects growth-related structures.

The osteopontin gene is active in a specific part of rat hair follicles during a certain hair growth phase and might affect hair cycle and diseases.

Dermatoscopy helps diagnose hair and scalp disorders in people with Afro-textured hair, but more research is needed for better understanding and treatment.

Minoxidil, finasteride, and hair transplantation combined give best results for hair loss.

Acitretin significantly reduced inflammatory attacks in a woman with Naevus Comedonicus Syndrome but caused side effects.

Minoxidil inside tiny particles can deliver more drug to hair follicles, potentially improving treatment for hair loss.

A new method using visual aids to diagnose hair diseases was effective after brief training.

Ovariectomized mice mimic postmenopausal hair loss, and estradiol helps maintain hair density.

Finasteride helps induce ovulation in nonresponder PCOS women.

Nanoparticles can be used to deliver drugs to hair follicles, potentially improving treatments for conditions like acne and alopecia, and could also be used for vaccine delivery and gene therapy.

COVID-19 and related stress may increase hair loss known as Telogen effluvium.

Copper deficiency may cause hair loss, and treating it could involve nutrition and hormones.

Human hair cells can be used to grow new hair on rat ears, suggesting a possible treatment for hair loss.

New treatments for hair loss are being developed using molecular biology.

A teenage girl with a fungal scalp infection got better with antifungal and allergy medication, and special shampoo.

Ovulation disorders are a major cause of infertility and menstrual problems in women.

Triple horizontal scalp biopsies are 98% accurate in diagnosing hair loss, better than single biopsies.

Fungal infections can cause hair loss in lupus patients and should be considered even if rare.

A person had two different benign skin tumors, a trichoadenoma and melanocytic naevi, at the same time but in different places on the face.

A teenage girl with a fungal scalp infection got better with antifungal and allergy medication, plus medicated shampoo.

A young man was unexpectedly diagnosed with basal cell carcinoma after a scalp examination and confocal microscopy.

The document concludes that different types of hair loss have specific treatments, and early diagnosis is crucial for preventing permanent hair loss.

The document concludes that permanent hair loss conditions are complex, require early specific treatments, and "secondary permanent alopecias" might be a more accurate term than "secondary cicatricial alopecia."

Some skin conditions are associated with other serious diseases, and office microscopy may miss many fungal infections.

Hair loss treated with minoxidil, finasteride, laser/light, hair transplant, and scalp prostheses; more research needed for skin of color.

Minoxidil, finasteride, and hair transplantation combined give best results for hair loss.