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We described a 39-year-old woman with systemic lupus erythematosus who developed 20 dermatofibromas accompanied by more than 30 eruptive benign keratoses while she was receiving systemic corticosteroid therapy. We are not aware of a previous case of multiple dermatofibromas accompanying multiply eruptive keratoses. The autoimmune disease or altered immunity, or both, may have played a role in the pathogenesis of these conditions.

A 50-year-old Japanese man had a blue-black patch on the dorsum of his right wrist. Light and electron microscopic study of the lesion revealed dermal melanocytes containing mature melanosomes, predominantly in the upper dermis. This case was diagnosed as acquired dermal melanocytosis confined to the right wrist.