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Erythema gyratum repens is a rare paraneoplastic syndrome. Its etiopathogenisis is obscure. The lesions of erythema gyratum repens are mainly distributed on the trunk and proximal extremities. Lesions often begin as small papules, then enlarged centrifugally into annular erythema, and novel lesions could develop simultaneously in the center of lesions. Clinically, it is characterized by erythema in wood-grain pattern, or general annular erythema and erythema figuratum in variant size. The histopathology has no specificity. Skin lesions usually disappear following removal of underlying malignancy. Antihistamines, corticosteroids may be effective for the treatment of erythema gyratum repens.

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