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

Yellow dots are common in severe alopecia areata.

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

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

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

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

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

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

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.

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

The document concludes that different patterns of hair thickness and scalp changes can help diagnose types of non-scarring hair loss.

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

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

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

Yellow dots and short vellus hairs are key signs for diagnosing alopecia areata using trichoscopy.

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

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

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

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

The boy likely has a fungal infection causing hair loss.

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.

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

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

The authors suggest that a new type of hair loss exists, which is different from 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.