粒细胞缺乏症(以下简称粒缺)是由多种病因所致的一组综合病症。血液学特征为末稍血液中白细胞明显减少(<2,000),中性粒细胞极度缺乏(<1,000),红细胞及血小板系统常无变化,临床以发热、衰竭、口咽部等损害为主要表现或有明显的感染症状。由于化学药物的广泛应用,粒细胞 Agranulocytosis (hereinafter referred to as missing) is caused by a variety of causes of a group of general conditions. Hematology is characterized by a marked reduction in white blood cells (<2,000) in the terminal blood, an extreme lack of neutrophils (<1,000), a constant change in erythrocytes and platelet systems, clinical manifestations of fever, failure, oropharyngeal damage, or There are obvious symptoms of infection. Due to the widespread use of chemical drugs, granulocytes