Starting with a timeline, the pathogenesis and defining the clinical syndrome of HLH #HLH#lymsm (1/8)
How to diagnose HLH? Soluble CD25 and ferritin are the most specific inflammatory markers (best ROC), so @ZorefAdi et al combined them into an 'optimised HLH inflammatory' (OHI) index, with an improved specificity for HLH