Definition

Noun: * An abnormally small number of lymphocytes in the circulating blood: A medical condition characterized by a lower-than-normal count of lymphocytes, a type of white blood cell, in the blood.

Usage

• Medical Diagnosis: The term is used primarily in medical contexts to describe a laboratory finding or a symptom of an underlying condition.
  • The patient's blood test revealed significant lymphopenia, prompting further investigation.
  • Persistent lymphopenia can be a sign of an immune system disorder.
• Cause and Effect: It is often discussed in relation to its causes or consequences.
  • Chemotherapy frequently induces lymphopenia as a side effect.
  • The lymphopenia observed was likely due to the viral infection.

Advanced Usage

• "Absolute lymphopenia": Refers to a measured count of lymphocytes that falls below a specific numerical threshold (e.g., <1000 cells/μL in adults).
  • The diagnosis was confirmed by the presence of absolute lymphopenia.
• "Lymphopenia" as a prognostic marker: In some diseases, the degree of lymphopenia can indicate the likely course or severity of the illness.
  • Severe lymphopenia at admission was associated with worse clinical outcomes.

Variants and Related Words

• Lymphocytopenia (noun): A complete synonym for lymphopenia, used interchangeably in medical literature.
  • The terms lymphopenia and lymphocytopenia refer to the same condition.
• Lymphopenic (adjective): Describing a state or condition involving lymphopenia.
  • The patient was lymphopenic for several weeks following the transplant.

Synonyms

• Lymphocytopenia: (Medical) An abnormally low level of lymphocytes in the blood.

Antonyms

• Lymphocytosis: (Medical) An abnormally high number of lymphocytes in the blood.

Noun

1. an abnormally small number of lymphocytes in the circulating blood