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Alopecia areata affects hair follicle structure, even in non-balding areas.

A 9-year-old boy had a calcium deposit nodule on his earlobe.

Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.

The ovine interdigital sinus has a complex structure with three layers and various skin-like features.

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

A rare ear cyst contained hair fragments.

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

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.

Calcium microcapsules are better for long-term use in artificial dermal papilla, while barium microcapsules are good for short-term.

The review found that specific changes in scalp tissue can help diagnose different types of hair loss.

Human hair keratin hydrogels show promise for use in regenerative medicine.

The conclusion is that surgical removal of solitary fibrofolliculoma is effective with no relapses, and diagnosis requires a biopsy due to varied symptoms.

Autoimmune conditions can be linked to trichoepitheliomas, with treatment focusing on cosmetic concerns.

Human hair keratin is a promising and sustainable biomaterial for tissue regeneration.

CK19 and Vimentin are proteins found in rat skin that help with skin renewal and maintaining cell structure.

Adipose tissue and eccrine gland displacement are common in certain alopecias but don't help differentiate between them.

KAP-depleted hair causes less immune response and is more biocompatible for implants.

The document concludes that "hot comb alopecia" is now called "central cicatricial centrifugal alopecia" and its causes are complex.

The study found certain scalp biopsy features can help tell apart alopecia areata from pattern hair loss even when typical immune cells are not seen.

A rare skin bump with tiny hairs was successfully removed from a man's face.

A woman's large nose growth was initially misdiagnosed, but later confirmed to be giant rhinophyma after full removal and examination.

Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.

The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.

The patient's hair loss is most likely due to diffuse alopecia areata.

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

Type B material, ground for 8 hours, is the most suitable and compatible for use as a soft tissue filler.

Examining scalp tissue under a microscope helps diagnose and understand hair loss diseases.

Certain sugars increase in some layers of the hair follicle during the middle of the healing process in rats, which may help improve healing.

CD3+ T-cell presence is a reliable marker to tell apart alopecia areata from pattern hair loss.

The method effectively analyzes human hair proteins, especially nonfilamentous ones.