Approach to Lymphocytosis

Approach to Lymphocytosis

Lymphocytosis refers to an increase of peripheral blood lymphocytes, which for adults corresponds to >4000 lymphocytes/microL in most clinical laboratories. Lymphocytopenia refers to a decrease of peripheral blood lymphocytes, which generally corresponds to <1000 lymphocytes/microL in adults. You can have a higher than normal lymphocyte count but have few, if any, symptoms. It usually occurs after an illness and is harmless […]

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