Primary Epstein-Barr virus infection in 2-year-old children: report of 3 cases

Kong-Sang Wan1, Yi-Jung Yu, Wei-Fong Wu

  • 1Department of Pediatrics, Taipei City Hospital, Renal Branch, Taiwan.

Insights

Diagnosing Epstein-Barr virus (EBV) infectious mononucleosis (IM) in young children is challenging due to asymptomatic infections. Puffy eyelids and hepatosplenomegaly are key indicators for diagnosing EBV-induced IM in toddlers.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Virology

Background:

  • Primary Epstein-Barr virus (EBV) infection is often asymptomatic or subclinical in infants and young children, complicating diagnosis.
  • Infectious mononucleosis (IM), a common manifestation of EBV, presents unique diagnostic challenges in the pediatric population.
  • Early identification of EBV infection is crucial for appropriate management and understanding disease progression in young children.

Observation:

  • This study reports on three cases of primary EBV infection in two-year-old children.
  • Initial clinical symptoms observed included puffy eyelids and hepatosplenomegaly.
  • These specific manifestations were noted as suggestive indicators for a tentative diagnosis of IM.

Findings:

  • Puffy eyelids and hepatosplenomegaly were identified as common initial clinical signs of EBV-induced IM in very young children.
  • The presence of EBV capsid immunoglobulin (Ig)M antibodies proved to be a valuable diagnostic marker.
  • Atypical lymphocytes in blood counts also served as a useful diagnostic measurement for EBV infection.

Implications:

  • The findings suggest that specific clinical signs like puffy eyelids and hepatosplenomegaly should prompt consideration of IM in young children.
  • Diagnostic testing for EBV capsid IgM antibodies and assessment for atypical lymphocytes are recommended for early and accurate diagnosis in this age group.
  • Improved diagnostic approaches can lead to earlier intervention and better outcomes for children with EBV-induced infectious mononucleosis.

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