CD40LG and Hepatosplenomegaly: Hematochemical examinations showed positive IgG and IgM antibodies for EBV (IgG ANTI EBV-VCA 70 U/mL [n.v. < 20 U/mL]; IgM ANTI EBV-VCA >160 U/mL [n.v. < 40 U/mL]), while the abdominal ultrasound and computed tomography (CT) scan of the thorax and abdomen showed hepatosplenomegaly and lymphadenomegaly.