leukocytosis

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Introduction

An increase in white blood cells (leukocytes) in peripheral blood. Generally, an increase in neutrophils (neutrophilia), but may be an increase in lymphocytes (lymphocytosis) especially in lymphoproliferative disorders.

Classification

Etiology

More general terms

More specific terms

References

  1. Smith CJ, Kluck LA, Ruan GJ, et al. Leukocytosis and tobacco use: an observational study of asymptomatic leukocytosis. Am J Med. 2021;134:e31-e35. PMID: https://www.ncbi.nlm.nih.gov/pubmed/32682870
  2. Jump up to: 2.0 2.1 2.2 Sullivan E et al. Elevation in white blood cell count after corticosteroid use in noninfected hospitalized patients. J Hosp Med 2025 Feb 11; [e-pub]. PMID: https://www.ncbi.nlm.nih.gov/pubmed/39932209 https://shmpublications.onlinelibrary.wiley.com/doi/10.1002/jhm.70008