Eruptive collagenoma in a child.

Eruptive collagenoma is a rare entity, with unknownetiology, considered to be a type of connective tissuenevus composed of collagen. It is usually reported inyoung adults occurring predominantly on the trunkand extremities. Systemic findings and family historyof a similar condition are not typically associated andthe prognosis is excellent. There are few pediatric casesreported in literature. Herein we report an uncommoncase of eruptive collagenoma in a 12-year-old childand present a brief review of the literature.