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A scalp biopsy is essential for accurately identifying different types of hair loss.

Scalp biopsy helps tell apart permanent and temporary hair loss types and guides treatment.

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

The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.

Non-scarring hair loss can be diagnosed with two 4mm punch biopsies, one cut vertically and the other transversely.

Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.

RET mutation is important in familial medullary thyroid carcinoma, and BRAF mutation in papillary thyroid carcinoma is linked to more aggressive cancer and higher death rates.

The pseudo 'fringe sign' can also appear in frontal fibrosing alopecia, not just in traction alopecia, showing that this condition may be more common than thought.

A fungal infection can look like a different scalp condition in teens, leading to wrong treatment until proper tests are done.

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

CTE can distort results in hair growth trials, so exclude it carefully.

The document concludes that understanding hair follicle histology and the hair cycle is crucial for diagnosing alopecia.

Transverse sections are better for non-scarring hair loss, vertical sections are better for lichen planopilaris, and either method works for other scarring hair loss types.

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

Dupilumab may cause significant hair loss, which can reverse after stopping the drug.

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

A kidney transplant patient developed pink skin bumps with spiny centers on her face and limbs.

Hair loss in women can be due to abnormal hair growth cycles or damaged hair follicles, with the most common type being androgenetic alopecia; treatment varies by cause, and the psychological impact is significant.

Two Sikh brothers developed permanent hair loss from wearing turbans tightly, a condition that became apparent after they moved to Austria.

Woman's hair loss diagnosis changed from CTE to AA; multiple biopsies important for accurate diagnosis.

Eruptive vellus hair cysts are rare and often misdiagnosed, requiring biopsy for accurate diagnosis.

Skin stem cells were turned into heart cells using a chemical, suggesting a new way to treat heart attacks.

A high school wrestler's skin rash was cured with antifungal medication after a misdiagnosis and incorrect treatment led to a fungal infection.

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

The document explains the causes, types, diagnosis, and treatments of hair loss, and its psychological impact, especially on women.

The woman was diagnosed with lichen sclerosus, a rare skin condition, after initial misdiagnosis and ineffective treatments.

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

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

Red spots on fingertips can be a sign of a skin condition linked to gluten sensitivity, treatable with a gluten-free diet.

The three adipokines—leptin, adiponectin, and resistin—are present in various cells of normal dog skin.