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Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.

Lichen planopilaris is a chronic, scarring hair loss condition with no definitive cure, requiring accurate diagnosis and treatment to manage symptoms.

A gene deletion causes the "hairless" trait in Iffa Credo rats.

Hair loss in cancer patients can be related to the cancer itself, treatment, or other conditions, and understanding it is important for diagnosis and patient care.

The document suggests that certain protein deficiencies and scalp blistering in Epidermolysis Bullosa may cause hair loss.

CK15 is not a reliable marker for stem cells in damaged hair follicles from patients with CCCA.

Cooling the scalp may prevent hair loss from chemotherapy, hair often grows back after treatment, and nail issues usually improve after stopping the drug.

The document concludes that early diagnosis and treatment are crucial for managing rare hair loss disorders and that more research is needed to improve treatment strategies.

The document concludes that secondary syphilis cases are increasing and often misdiagnosed, pityriasis rubra pilaris can be distinguished from psoriasis by skin cell features, and different skin layers produce specific components during skin repair.

Different areas of the scalp have varying hair thickness, useful for different types of hair transplant needs.

Classifying hair diseases, like alopecia, is difficult and needs more research to understand their causes.

The document concludes that correct diagnosis of alopecia types is crucial, scalp biopsies are important, and more research is needed.

Hair and nails are similar keratin structures with different shapes and growth, affected by the same diseases and environmental factors.

Lupus can cause hair loss and nail changes, with treatments available for both.

Hair thickness decreases from the upper to lower areas of the back of the head, affecting hair transplant results.

Hair follicles and deer antlers regenerate similarly through stem cells and are influenced by hormones and growth factors.

The document concludes that treatments for cicatricial alopecia are not well-supported by evidence, but hair transplantation shows more predictable and satisfactory results.

The Gillies temporal incision is a safer and more cosmetically appealing method for biopsy of the superficial temporal artery.

Videodermoscopy better identifies female hair loss than clinical diagnosis.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.

The document concludes that proper diagnosis and a combination of medical, hair-care, and surgical treatments are important for managing alopecia in black women.

Hair loss can indicate underlying systemic diseases and addressing these can sometimes reverse the hair loss.

Face-lifts can lead to complications like bleeding, nerve injury, skin death, hair loss, and rare infections, with careful surgery reducing risks.

Hair loss requires customized treatments based on its various causes and types.

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

Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.

The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.

Experienced hair transplant surgeons suggest a limited number of hair follicles can be used for transplants, and recommend conservative methods to avoid scarring and depletion.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.