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Test Findings


April 24th, 2019


Lymphocytosis refers to an increase in the number of circulating lymphocytes.
  • Causes of Lymphocytosis

  • Acute viral infection - EBV, CMV, viral hepatitis, influenza
  • Chronic infection - TB, brucellosis, pertussis
  • Lymphoproliferative disorders - chronic lymphocytic leukaemia, lymphoma
  • Hyposplenism - splenectomy, liver cirrhosis, coeliac disease, sickle cell disease, SLE
  • Endocrine pathology - thyrotoxicosis, adrenocortical insufficiency
  • Autoimmune disease
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