Cytokine comparison of Kikuchi-Fujimoto disease (KFD) & Stills dz (pts w/ FUO and LN) shows, after excluding HLH/MAS pts, KFD pts had higher serum IFN-γ (> 8.56 pg/mL) & IFN-γ/IL-6 ratio > 0.45. Stills pts had higher serum IL-6 levels than KFD https://t.co/KYPa9OQaa5 https://t.co/70S0M9nGhp