Dermatoscopy of the Pruritic Variant of Trichostasis Spinulosa: A Noninvasive Diagnostic Method

Trichostasis spinulosa is a hair follicular disorder hyperkeratotic dilated hair follicles with retention of multiple vellus hairs. It is a common disorder often unrecognized by patients. Dermatoscopy helps in diagnosis and deciding the treatment of this disorder avoiding unnecessary skin biopsy. Here, we report a case of a pruritic variant of trichostasis spinulosa with characteristic signs of hair retention in dermatoscopy.