CD40LG and Arterial thrombosis: The repeated screening of aPLs during the development of thrombosis revealed that among two patients who developed venous thrombosis, anticardiolipin IgG/IgM and lupus anticoagulant were detected in one patient, and among three patients who developed arterial thrombosis, only lupus anticoagulant was detected in one patient, whereas the remaining antibody screening was negative for the remaining patients, as demonstrated in Table 4.