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Arcuate plantar plaques as the initial sign of chronic cutaneous lupus in a child
Tracy Evans-Ramsey1, Ilona J Frieden
1Department of Pediatrics, Kaiser Permanente Medical Center, Oakland, California, USA.
Abstract:
A 9-year-old girl was initially seen with bilateral mildly pruritic plantar skin lesions. Skin biopsy demonstrated a superficial and deep perivascular lymphoid infiltrate with mucin but was not specific. Laboratory evaluation revealed a mildly elevated antinuclear antibody and mild leukopenia. Over the following year, an annular skin lesion developed in the preauricular area, her antinuclear antibody titer rose, and she was found to have positive anti-SS-B antibodies. She responded to oral hydrochloroquine with resolution of her skin lesions. This report highlights the unusual presentation of a case of chronic cutaneous lupus with a plantar skin eruption.
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