Case Report: Treatment of refractory lung disease in systemic juvenile idiopathic arthritis with cyclophosphamide and rituximab combination therapy
IntroductionSystemic juvenile idiopathic arthritis-associated lung disease (sJIA-LD) is a rare, potentially fatal complication of sJIA, often accompanied by pulmonary hypertension (PHTN) and macrophage activation syndrome (MAS). The underlying pathophy…