Cutaneous manifestations of childhood systemic lupus erythematosus.

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Abstract
We assessed the mucocutaneous signs in 57 children with classical systemic lupus erythematosus seen during a 6 year period. The female:male ratio was 4.2:1. Ages ranged from 4 to 15 years (mean 11.9 years) at the time of diagnosis. Cutaneous manifestations (77%) were the second most common finding, next to renal involvement (84%). The skin changes noted were malar rash (74%), oral ulcer (46%), vasculitis (42%), photosensitivity (40%), alopecia (32%), and discoid lupus erythematosus (LE) (19%). All 11 discoid LE patients were girls. Periungual erythema, Raynaud's phenomenon, periungual gangrene, nail involvement, and subacute LE were rare. Antinuclear antibody reaction was positive in 93% and anti-dsDNA was positive in 46%. Eight patients died, six from severe infection and two from renal failure.

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