Laboratory results included white blood cell count 1,440 cells/L (N 41%, L 54%, Mo 5%, Eo 0%) hematocrit 24.3%, platelets 50,000 cells/L, a weakly positive nonspeckled anti-nuclear antibody (ANA = 1:40), positive rheumatoid factor (RF), slightly elevated anti-phospholipid antibodies, and anti-ribonucleic acid antibody (anti-RNP). Serology for EBV showed IgG positive and IgM negative. Direct immunofluorescence assays and cultures for herpes simplex and varicella-zoster were negative.
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