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A 65-year-old woman has a growing bald spot on her scalp.

A woman with Parry-Romberg syndrome developed new curly hair on one side of her scalp, a condition not previously linked to the syndrome.

Most patients with chronic hair shedding did not progress to permanent hair loss, and one showed improvement with treatment.

Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.

A 91-year-old woman's hair turned black in one spot, with skin changes underneath.

The document outlines a method for diagnosing hair loss and suggests specific treatments based on the diagnosis.

OCT can effectively diagnose different stages of hair loss non-invasively.

A 61-year-old Filipino man had a skin condition that looked like another disease, making diagnosis difficult.

Traction may not be the only cause of cicatricial marginal alopecia.

Two patients with lupus had an unusual type of hair loss not typical for the disease.

The most common cause of hair loss in children is tinea capitis, followed by alopecia areata and telogen effluvium.

Horizontal scalp biopsy sections effectively diagnose and predict MPAA, with follicular density and inflammation impacting hair regrowth.

AGA patients have fewer hairs and smaller follicles; T:V ratio above 4:1 may indicate AGA.

Transverse scalp sections are better for diagnosing non-scarring hair loss, while vertical sections are better for a specific scarring hair loss called lichen planopilaris.

Dr. Robert S. Haber concluded that hair transplant surgeons must master scalp biopsy techniques to quickly diagnose and treat hair loss conditions.

Scalp dermoscopy is good for diagnosing a type of hair loss and helps choose the best spots for biopsy.

A man developed a rare scalp disorder, Folliculitis Decalvans, 20 years after hair restoration surgery, and it required long-term antibiotic treatment.

A woman with hair loss had a benign sweat duct tumor found during a scalp biopsy.

Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.

The "Punch Assay" can regenerate hair follicles efficiently in mice and has potential for human hair regeneration.

Hair loss due to scalp metastasis from breast cancer, known as Neoplastic Alopecia, has a better survival rate than other scalp metastases and requires a biopsy for diagnosis.

Accurate diagnosis is key for treating different kinds of hair loss, and immune response variations may affect the condition and treatment results.

The document concludes that new methods improve the accuracy of diagnosing scalp alopecia and challenges the old way of classifying it.

Using both vertical and transverse sections for alopecia biopsies improves diagnosis without extra cost.

A woman with cervical cancer had rare scalp metastasis causing a unique type of hair loss.

Some breast cancer chemotherapy can cause permanent hair loss.

A woman with lymphoma had a rare skin rash on her scalp and forehead, which was hard to diagnose but responded well to treatment.

The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.

Scarring alopecia, a type of hair loss, is most common in females under 35, often caused by discoid lupus erythematosus and pseudopelade of Brocq. Skin punch biopsy and histopathology are key to identifying its cause.

Scalp biopsies are important for diagnosing hair loss conditions.