Definition

1. Noun:
   • An abnormal increase in the number of lymphocytes in the circulating blood: Lymphocytosis is a medical condition characterized by a higher-than-normal count of lymphocytes, a type of white blood cell, in the blood.

Usage Examples

• Noun:
  • The blood test revealed lymphocytosis, prompting further investigation.
  • Infectious mononucleosis is commonly associated with lymphocytosis.
  • Persistent lymphocytosis can be a sign of a chronic infection or a hematologic disorder.

Advanced Usage

• "Reactive lymphocytosis": A temporary increase in lymphocytes, typically in response to an infection.
  • The patient's reactive lymphocytosis was attributed to a recent viral illness.
• "Malignant lymphocytosis": An increase in lymphocytes due to a cancerous condition, such as certain leukemias.
  • The diagnosis shifted from infection to malignant lymphocytosis after a bone marrow biopsy.

Variants and Related Words

• Lymphocyte (n): A type of white blood cell that is a key part of the immune system.
  • T cells and B cells are the two main classes of lymphocytes.
• Lymphocytic (adj): Relating to or involving lymphocytes.
  • The patient showed a lymphocytic infiltrate in the tissue sample.

Synonyms

• Elevated lymphocyte count: A more descriptive phrase for the same condition.
• Lymphocyte leukocytosis: A more technical synonym, though "leukocytosis" broadly refers to an increase in white blood cells.

Notes on Different Meanings

• This term has a specific, singular meaning in medical and hematological contexts. It does not have common non-medical definitions, idioms, or phrasal verbs.

Noun

1. an abnormal increase in the number of lymphocytes in the circulating blood