ITGA2B and autoimmune thrombocytopenic purpura: The fact that isolated anti-GPIb/IX were detected in only one patient had probably participated to not confirm the results of the largest study conducted to date in 156 ITP patients, which reported a response to IVIg in 31.3% patients with isolated anti-GPIb/IX and in 76.6% with isolated anti-GPIIb/IIIa [8].