Interesting Abs 0825: MAS was most often caused 2nd to a benign disease. Most common presentation: fever w/ cytopenias. Ferritin levels more than 7511 and ferritin/ CRP levels more than 204.5 ass'd w/ higher mortality. #ACR22 @RheumNow https://t.co/HEuMedE9Rh https://t.co/6f4bf7x9Hh