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agranulocytosis a·gran·u·lo·cy·to·sis (ā-grān'yə-lō-sī-tō'sĭs, ə-grān'-)
An acute disease characterized by high fever, lesions of the mucous membranes and skin, and a sharp drop in circulating granular white blood cells.
acute infection characterized by severe sore throat, fever, and fatigue and associated with an extreme reduction of white blood cells, or leukocytes (a condition known as leukopenia), particularly the white cells known as neutrophils (neutropenia).