Macrophage activation syndrome (MAS) is a severe, frequently fatal complication of systemic juvenile idiopathic arthritis (sJIA) with features of hemophagocytosis leading to coagulopathy ...

The pathophysiology of multiple myeloma can affect many different bodily processes. Learn more about the impact on the blood, bones, kidneys, and more.

Systemic comorbidities associated with RA include cardiovascular disease, pulmonary disease, gastrointestinal disease, cancers, and psychiatric disease.2 Cardiovascular disease has attracted ...