Lupus erythematosus in childhood.

Lupus erythematosus in childhood comprises the following distinctive lupus subsets: neonatal lupus erythematosus, systemic lupus erythematosus, discoid lupus erythematosus, subacute cutaneous lupus erythematosus, complement deficiency syndromes with subacute cutaneous lupus lesions, and lupus panniculitis. The clinical features and pathogeneses of each of these lupus syndromes is discussed in this review.