Monday, February 6, 2023
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Trichostasis Spinulosa

Background

In trichostasis spinulosa (TS), clusters of vellus hairs become embedded within hair follicles, with resultant dark, spiny papules on the face or trunk. Trichostasis spinulosa frequently is discovered as an incidental finding, and often it is confused with keratosis pilaris or acne comedones.

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