What is the pathophysiology of cytomegalovirus (CMV) CNS disease?

Updated: Jul 07, 2021
  • Author: Ricardo Cedeno-Mendoza, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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CMV CNS disease is defined as CNS symptoms in combination with CMV detection in CSF (culture, PCR) or brain biopsy tissue (culture, histopathology, immunohistochemistry, in situ hybridization). [8] The association between CMV and Guillain-Barré Syndrome involves 2 groups. Younger patients (typically < 35 y) present with sensory defects and facial palsy, antiganglioside (GM2) IgM response, and milder long-term sequelae. [25] A second group includes women older than 50 years. These observations were made in France and thus may not be applicable to other populations due to different ages of primary CMV exposure.

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