Disease or Syndrome
lymphopenia
[ lim-foh-pee-nee-uh, -peen-yuh ]
Subclass of:
Immunologic Deficiency Syndromes;
Leukopenia
Definitions related to lymphopenia:
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A reduced number of lymphocytes in the blood.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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Decrease in the proportion of lymphocytes in the blood.CRISP ThesaurusNational Institutes of Health, 2006
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Reduction in the number of lymphocytes.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Lymphocytopenia is a total lymphocyte count of < 1000/mcL ( < 1 � 10^9/L) in adults or < 3000/mcL (< 3 � 10^9/L) in children < 2 years. Sequelae include opportunistic infections and an increased risk of malignant and autoimmune disorders. If the complete blood count reveals lymphocytopenia, testing for immunodeficiency and analysis of...Merck & Co., Inc., 2020
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