Macrophage activation syndrome is caused by excessive activation and proliferation of T cells and macrophages, which leads to an overwhelming and potentially fatal inflammatory reaction.

A significant complication associated with AOSD is Macrophage Activation Syndrome (MAS), a severe inflammatory condition that can occur in patients with AOSD, leading to life-threatening ...

H emophagocytic lymphohistiocytosis (HLH) and macrophage activation syndrome (MAS) are life-threatening systemic hyperinflammatory syndromes. Systemic hyperinflammation and HLH/MAS can occur in ...

H emophagocytic lymphohistiocytosis (HLH) and macrophage activation syndrome (MAS) are life-threatening systemic hyperinflammatory syndromes. Systemic hyperinflammation and HLH/MAS can occur in ...