Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to leukocytosis: digestive leukocytosis


also leu·co·cy·to·sis (lo͞o′kə-sī-tō′sĭs)
n. pl. leu·ko·cy·to·ses (-sēz) also leu·co·cy·to·ses
An abnormally large increase in the number of white blood cells in the blood, often occurring during an acute infection or inflammation.

leu′ko·cy·tot′ic (-tŏt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


or leu•co•cy•to•sis

(ˌlu koʊ saɪˈtoʊ sɪs)

an increase in the number of white blood cells in the blood.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.leukocytosis - an abnormal increase in the number of white blood cells in the blood as a result of infection (as in leukemia)
blood disease, blood disorder - a disease or disorder of the blood
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Adverse events reported in >30% of renal, cardiac or liver transplant patients receiving CellCept (in combination with cyclosporine and corticosteroids) were pain, fever, headache, asthenia, anemia, leucopenia (patients should be monitored for neutropenia; dosing should be interrupted or the dose reduced if neutropenia develops), thrombocytopenia, leukocytosis, urinary tract infection, hypertension, hypotension, peripheral edema, hypercholesteremia, hypokalemia, hyperglycemia, creatinine, BUN and cough increased, hypomagnesemia, diarrhea, constipation, nausea, vomiting, respiratory infection, dyspnea, lung disorder, pleural effusion, tremor and insomnia.
Hematologic tests revealed leukocytosis with neutrophils predominant.
This is despite CDAD being a killer, with mortality statistics showing fatalities between 6% and 30% of cases, and symptoms of abdominal cramps, diarrhoea, fever and leukocytosis. The ECDC report has advised nurses of required precautions: "Scrupulous hygiene in nursing, environmental decontamination, and (in outbreaks) cohort isolation and ward closure" is required.
Seventy-nine of the 225 patients had chest films performed because of respiratory findings (eg, tachypnea, rales) suggestive of pneumonia, and 146 of the 225 because of fever and severe leukocytosis with no other identifiable major sources of infection.
dactylitis, leukocytosis, and hemoglobin less than 7 grams per deciliter
Mathew admitted Kylee to the pediatric unit where she was treated for abdominal pain, leukocytosis, and dehydration.
Early leaks, those presenting within 5 days of surgery, will present with nonspecific findings of pain, fever, tachycardia, and leukocytosis. It is imperative to suspect and identify this complication as early as possible.
Given the patient's fever and leukocytosis, a 100-mg dose of intravenous clindamycin was administered.
The CBC results showed a severe heterophilic leukocytosis (87 400 cells/[micro]L; reference interval, 3330-27 340 cells/([micro]L) and moderate toxic granulation in the heterophils.
After the correction of aortic aneurysm by TEVAR, a systemic inflammatory response, named postimplantation syndrome (PIS), can develop, being characterized by fever, leukocytosis, and elevated CRP plasma levels [5-8].
Laboratory data showed leukocytosis (17.43 x 109 cells/L) with hypereosinophilia (55%) and a hemocrit of 56.1%.