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Segmental lichen aureus: onset associated with trauma and puberty.

To the Editor.— Lichen aureus is a chronic and benign capillaritis of unknown cause. The typical lesion is a single golden patch, often localized on the lower extremity. We describe a patient with lichen aureus in a segmental distribution on the left side of the chest and the left upper extremity. The first lesion developed about one month after a surgical procedure on the distal third of the left forearm. The distribution of the lesions did not follow a dermatome or the lines of Blaschko but did loosely follow the course of the brachial and radial veins. Report of a Case.— A 15-year-old girl was seen in January 1987 at the University of Minnesota Hospital and Clinic, Minneapolis, for persistent skin lesions on her left upper shoulder and arm. Her health history was unremarkable, except for a motor vehicle accident on May 9, 1984. She had fractured both her left