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Classification and external resources
DiseasesDB 8995

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, as neutrophils are the main granulocytes.


An increase in eosinophil granulocyte is known as eosinophilia.

Granulocytosis can be a feature of a number of diseases:

Prognostic relations[edit]

In cardiovascular disease, increased white blood cell counts have been shown to indicate a worse prognosis.

See also[edit]