Trichostasis spinulosa

Trichostasis spinulosa is a common but often unrecognized skin condition characterized by the retention of numerous telogen hairs within a dilated hair follicle. It is a type of hair follicle disease and is often mistaken for blackheads or dark spots on the skin.

Symptoms and Signs

The condition is usually asymptomatic, but some patients may experience mild itching or a prickling sensation. The most common sites of involvement are the face, especially the nose, and the upper trunk. The lesions appear as small, dark, pinpoint spots that are often mistaken for blackheads.

Causes

The exact cause of trichostasis spinulosa is unknown. However, it is believed to be due to a defect in the hair follicle that causes the retention of telogen hairs. Some studies suggest that it may be associated with increased sebum production and the use of oily cosmetics.

Diagnosis

The diagnosis of trichostasis spinulosa is usually made clinically, based on the characteristic appearance of the lesions. A definitive diagnosis can be made by examining a skin biopsy under a microscope, which will show a dilated hair follicle filled with numerous telogen hairs.

Treatment

Treatment of trichostasis spinulosa is not always necessary, as the condition is benign and does not cause any serious health problems. However, for cosmetic reasons, some patients may choose to have the lesions removed. This can be done through various methods, including laser therapy, dermabrasion, or the use of topical retinoids.

See Also

• Hair follicle
• Telogen effluvium
• Sebum

References

Trichostasis spinulosa Resources
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