Clinical and Laboratory Criteria | |
---|---|
1. Fever (high, unremitting) | |
2. Ferritin (≥500 ng/mL) | |
3. Other Considerations | |
Rheumatologic/hematologic/immunologic conditions that predispose to HLH/MASa | |
Neurologic symptomsb | |
HSM | |
Cytopeniasc | |
Hepatobiliary dysfunctiond | |
DIC | |
EBV or other viral infection |