Attention should be given to the diagnosis of rare inherited coagulation disorders
Rare inherited coagulation disorders(RCD)are defined as diseases caused by deficiency of coagulation factor/factors,other than factor Ⅷ,factor Ⅸ or von Willebrand factor.RCD are mainly autosomal recessive inheritance disorders with prevalences from 1 in 50 0000 to 1 in 200 0000.The clinical manifestations of RCD are heterogeneous,mainly characterized by bleeding,but thrombosis or no clinical manifestations can also occur.Accurate understanding and diagnosis of RCD is of great significance for clinical treatment.