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Chronic active mononucleosis

P Kragsbjerg1

  • 1Department of Internal Medicine, Sonderborg Hospital, Denmark.

Scandinavian Journal of Infectious Diseases
|January 1, 1997
PubMed
Summary

A prolonged primary Epstein-Barr virus (EBV) infection case is presented, showing late seroconversion. This 16-year-old patient developed EBNA antibodies two years after initial symptoms.

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Area of Science:

  • Infectious Diseases
  • Virology
  • Immunology

Background:

  • Epstein-Barr virus (EBV) is a common human herpesvirus.
  • Primary EBV infection typically presents as infectious mononucleosis.
  • Diagnosis often relies on serological markers, including viral capsid antigen (VCA) and Epstein-Barr nuclear antigen (EBNA) antibodies.

Observation:

  • A 16-year-old female experienced three clinical episodes of mononucleosis over two years.
  • Persistent elevation of VCA-IgM antibodies was noted for 15 months.
  • The patient eventually became EBNA-positive.

Findings:

  • This case illustrates a prolonged primary EBV infection.
  • Late seroconversion, marked by the development of EBNA antibodies, occurred two years post-onset.
  • Clinical recovery coincided with EBNA antibody development.

Implications:

  • Highlights the possibility of extended primary EBV infection timelines.
  • Suggests that EBNA seroconversion can be significantly delayed in some individuals.
  • Emphasizes the importance of longitudinal serological monitoring for EBV diagnosis.

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