Advances in diagnosis and treatment of neonatal neutropenia

Neonatal neutropenia is classified into early-onset and late-onset neutropenia. Causes of neutropenia include decreased production, increased destruction, margination in the microvascular endothelium, sequestration in the spleen, or a combination of mechanisms. Neutropenia often accompanied by an increased risk of bacterial infection, and sometimes it may be a hint of some rare severe diseases. In this article, we review advances in classification, pathogenesis, diagnosis and treatment of neonatal neutropenia. Key words: Neutropenia; Infant, newborn; Sepsis; Granulocyte colony-stimulating factor; Review