Macrophage activation syndrome, a severe complication of systemic juvenile idiopathic arthritis and other inflammatory diseases, represents one of the most important rheumatological emergencies. Delayed diagnosis could lead to life-threatening complications. Pulmonary hemosiderosis has been classically characterized by a triad of anemia, hemoptysis, and… (More)
BACKGROUND Tubulointerstitial nephritis and uveitis [TINU] syndrome is a rare disorder that may also be underdiagnosed. Patients with TINU syndrome typically present with an acute bilateral nongranulomatous anterior uveitis following symptoms of systemic illness. FINDINGS We report the case of a 15-year-old girl who presented with acute granulomatous… (More)
A case of systemic juvenile idiopathic arthritis with pulmonary hemosiderosis secondary to recurrent macrophage activation syndrome or a new autoinflammatory syndrome?