MedlinePlus Medical Encyclopedia: Mononucleosis, photomicrograph of cells

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Mononucleosis, photomicrograph of cells

This so-called "Downy cell" is typical of lymphocytes infected by EBV (Epstein Barr Virus) or CMV (Cytomegalovirus) in infectious mononucleosis. Downy cells may be classified as types I, II, or III. This is a type II Downy cell.

Update Date: 6/18/2007

Updated by: Daniel R Alexander, MD, Department of Internal Medicine, St. Mary's Hospital, Leonardtown, MD, and Mark Levin, MD, Division of Infectious Disease, MacNeal Hospital, Berwyn, IL. Review provided by VeriMed Healthcare Network.

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