“…An association of NF1 and APS, a prothrombotic autoimmune disease, is unusually rare. Very few documented cases fulfill the accepted criteria for a diagnosis of APS (Table 1) (4)(5)(6) . The currently accepted criteria for defining APS are the presence of at least one clinical criterion: ≥1 thromboembolic episodes and/or pregnancy morbidity or spontaneous fetal loss and at least one laboratory criterion: presence of lupus anticoagulant (LA), anticardiolipin antibody or anti-β 2 -glycoprotein 1 (IgG and IgM) on two occasions separated by 12 weeks.…”