Anti-cardiolipin-β2-GPI Complex Antibodies in Idiopathic Thrombocytopenic Purpura

To the Editor. We read with interest the article by Funauchi et al (1) indicating the clinical significance of anti-phospholipid antibodies in patients with idiopathic thrombocytopenic purpura (ITP). However, we have two major questions on this article. First, they defined anti-phospholipid syndrome (APS) by adopting thrombocytopenia as one of the clinical features. Therefore,