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Article
March 11, 1974

Thrombocytopenia: A Complication of Mumps

Author Affiliations

From the departments of medicine (Drs. Graham, Benrey, and Brown), virology and epidemiology (Dr. Butel), Baylor College of Medicine, Houston.

JAMA. 1974;227(10):1162-1164. doi:10.1001/jama.1974.03230230038021
Abstract

The mechanism of thrombocytopenia associated with mumps was investigated in a case proved by virus isolation. Although an immune mechanism for the thrombocytopenia has been postulated, platelet agglutinins, clot retraction inhibitors, complement-fixing platelet antibodies, or stimulation of platelet factor 3 availability could not be demonstrated in either the presence or absence of mumps-specific antigens. These results suggest that thrombocytopenia is not a consequence of antibodies directed against normal platelets nor against mumps antigen adsorbed to platelets. Rather, it appears that in this disorder, thrombocytopenia may result from a direct action of the virus or a viral antigen-antibody complex on platelets.

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