neutrophilia


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  • Mature PMNs

    • redistribution
    • early PV, PMF (look for thrombocytosis)
    • CNL

  • Immature forms

    • left shift (bands, metamyelocytes)
      • reactive (toxic grans): infection/inflammation (ESR, CRP), GCSF
    • leukemoid reaction (pros, myelocytes)
      • reactive (toxic grans)
      • CML (basophilia, low leukocyte alkaline phosphatase)
    • leukoerythroblastic
      • infiltration: leukemia, metastasis, granuloma
      • fibrosis

  • Spurious

    • plt clumping
    • cryoglobulinemia
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