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In medicine, granulocytosis is the presence in peripheral blood of an increased number of granulocytes, a category of white blood cells. Often, the word refers to an increased neutrophil granulocyte count (neutrophilia), as neutrophils are the main granulocytes.
Granulocytosis can be a feature of a number of diseases:
Diagnosis of granulocytosis is usually done through a complete blood count.