Macrophage activation syndrome in systemic juvenile rheumatoid arthritis successfully treated with cyclosporine.

Ravelli, A; De Benedetti, F; Viola, S; Martini, A · J Pediatr · 1996

case_report · Level V

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Abstract

A macrophage activation syndrome, possibly related to methotrexate toxicity, developed in a boy with systemic juvenile rheumatoid arthritis. Corticosteroid administration was ineffective, whereas a prompt response to cyclosporine was observed. Two months later, Pneumocystis carinii pneumonia developed.

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