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Idiopathic CD4 lymphocytopenia
Idiopathic CD4 lymphopenia (ICL) is a rare and heterogeneous syndrome defined by a reproducible reduction in the CD4 T-lymphocyte count (less than 300 cells per microliter or less than 20% of total T cells) in the absence of HIV infection or other known causes of immunodeficiency. ICL predisposes to infections and malignancy (summary by Gorska and Alam, 2012). [from OMIM]
Lymphopenia
A reduced number of lymphocytes in the blood. [from HPO]
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