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A new painless method to collect hair follicles helps study DNA damage and aging.

The 'Swiss cheese' pattern in scalp biopsies can indicate trichotillomania, not just alopecia areata.

Scalp biopsies from dermatomyositis patients show chronic hair loss without scarring, with mucin and blood vessel changes being very common.

Horizontal sections of scalp biopsies are good for diagnosing Central Centrifugal Cicatricial Alopecia and help customize treatment.

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

The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.

The study suggests computer-assisted analysis of scalp biopsies could improve hair loss diagnosis but needs more validation.

Trichoscopy is reliable for diagnosing Temporal Triangular Alopecia and can prevent unnecessary biopsies and wrong treatments.

Dermoscopy helped diagnose discoid lupus erythematosus in two patients without needing skin biopsies.

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

Dermoscopy improves diagnosis of hair and scalp disorders and can help avoid unnecessary biopsies.

Post-waxing folliculitis is common on arms and forearms, and further biopsies are needed to understand it better.

Trichoscopy effectively diagnoses and monitors cicatricial alopecias, reducing the need for biopsies.

The study concluded that a 'Swiss cheese' pattern in hair follicles is a useful sign for diagnosing alopecia areata.

Two cows had a rare hair disorder causing hair loss but were otherwise healthy.

A black Doberman with hair loss improved partially with omega-3/omega-6 treatment.

Hair loss severity relates to increased miniaturization in female pattern hair loss.

Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.

Some horses lose hair without inflammation or itching due to various conditions, and while mainly a cosmetic issue, diagnosis requires examination and biopsies, and breeding is not advised if it's hereditary.

All skin diseases might start in hair follicles.

Aggressive SLE treatment helped hair regrowth and improved oral plaque, but scalp lesions stayed.

Three Iranian men had reddish-brown facial pigmentation with no effective treatment.

Some skin growths with mucin can form hair follicles and resemble skin cancer, but a special stain can help tell them apart.

Targeting immune pathways like JAK/STAT may help treat frontal fibrosing alopecia.

Using polymeric micelles to deliver spironolactone topically could improve wound healing in skin affected by glucocorticoids.

Antiseptic particles penetrate deeper into hair follicles than non-antiseptic ones.

Researchers found a new early sign of Frontal Fibrosing Alopecia that could help avoid misdiagnosis.

Consider TFI in facial hypopigmentation diagnoses and confirm with a biopsy.

Chronic bacterial infections of hair follicles can cause ongoing skin inflammation.

The conclusion is that FFA and LPP have similar scalp biopsy features, making them hard to distinguish histologically, and FFA may be a specific kind of scarring hair loss.