Eruptive Vellus Hair Cyst

Eruptive vellus hair cyst is multiple 1-4 mm hyperpigmented papules on chest/extremities/face in children/young adults, benign, asymptomatic. Treatment: reassurance; surgical excision/laser ablation for cosmetic; avoid trauma; biopsy to confirm and rule out steatocystoma multiplex/epidermoid cyst; follow-up dermatology.

Common Symptoms

Multiple small hyperpigmented papules; chest/extremities; children/young adults

Causes and Pathogenesis

Vellus hair follicle implantation into dermis forms small cysts.

Treatment

Reassurance; excision/laser for cosmetic

Preventive Measures

None; benign.

Department to Visit

It is recommended to visit the Dermatology department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.