Heterogeneity of antiphospholipid antibody profiles in a clinical cohort and association with distinct clinical features.
The diagnosis of antiphospholipid syndrome (APS) uses standard antibodies (lupus anticoagulant (LAC), anticardiolipin antibodies (aCL) IgG/IgM, β2-glycoprotein I antibodies (β2GPI) IgG/IgM), which results in some patients with 'seronegative APS' being overlooked. The…