An acute disease marked by high fever and a sharp drop in circulating granular white blood cells. It may be drug-induced or the result of exposure to radiation.

• 颗粒性白细胞缺乏症一种急性病，症状特点为高烧和循环颗粒白细胞的突然减少，可能由药物引起或是受到辐射的影响。