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Reflectance confocal microscopy can tell apart white dots on the scalp as either sweat gland ducts or hair follicle openings.

Yellow dots are common in severe alopecia areata.

Black dots under trichoscopy can appear in different hair and scalp conditions, not just in alopecia areata.

Red dots on the upper chest may be an early sign of certain types of hair loss.

Reflectance confocal microscopy confirms that yellow dots are signs of damaged hair follicles in alopecia areata.

Follicular red dots may be a normal feature seen in people with less skin pigmentation, not necessarily indicating a scalp disorder.

Shiny white structures in trichoscopy can indicate long-standing discoid lupus erythematosus alopecia.

Segmental vitiligo affects hair follicle melanocytes, causing small, uniform depigmented spots.

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

Yellow dots were the most common sign of alopecia areata found using trichoscopy.

A man's scalp condition was misidentified as hair loss dots but was actually a common follicular disorder.

Skin color may change how alopecia areata looks under a dermoscope.

The study concluded that yellow dots are a common and useful sign for diagnosing alopecia areata in dark-skinned individuals and may indicate the severity of the condition.

Alopecia areata can show unusual red-dotted vessels and dithranol treatment may mask typical patterns.

Researchers found a white halo around hair in most patients with a specific type of hair loss, which helps in early diagnosis and treatment.

A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.

The study found that white hair in vitiligo has specific patterns and structures, which vary with the stage of the disease and may be similar to another hair condition.

Different patterns on the scalp help diagnose types of hair loss without needing a biopsy.

Malassezia fungi in healthy noses can form a "spaghetti-and-meatballs" structure.

Two gene variants cause white spots in cattle.

The boy likely has a fungal infection causing hair loss.

Chemotherapy can cause hair changes similar to alopecia areata, which might lead to misdiagnosis.

Dermoscopy helps diagnose different scalp conditions by showing unique signs for each disorder.

Normal scalp and hair characteristics in Black Africans include white dots and a honeycomb pattern.

A brown shadow seen in dermoscopy is a marker for lichen nitidus.

Trichotillomania shows specific signs like black dots and uneven hair lengths but lacks certain features of alopecia areata.

A new type of alopecia areata, called the "confetti variant," causes small bald spots that often heal on their own in a few months.

The young woman has a benign, hereditary skin condition with no signs of a more serious syndrome.