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[Infectious mononucleosis in children].

F del Castillo1, A Lajo, R Zapico

  • 1Clínica Infantil La Paz, Madrid.

Anales Espanoles De Pediatria
|January 1, 1988
PubMed
Summary

Infectious mononucleosis caused by Epstein-Barr virus shows similar clinical progression across age groups, with splenomegaly more frequent in young children. Antibody responses vary with age, particularly the Davinson test.

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Area of Science:

  • Virology
  • Pediatrics
  • Immunology

Context:

  • Epstein-Barr virus (EBV) is a common human herpesvirus.
  • Infectious mononucleosis (IM) is a common clinical syndrome associated with primary EBV infection.
  • Age-related differences in IM presentation and serological response are not fully elucidated.

Purpose:

  • To investigate clinical and serological differences in infectious mononucleosis (IM) between children under and over 4 years of age.
  • To analyze the prevalence of specific antibody responses to EBV in different pediatric age groups.

Summary:

  • A study of 50 infectious mononucleosis cases found no significant clinical differences between age groups, except for increased splenomegaly in children under 4.
  • Serological testing revealed a notable age-dependent increase in positive Davinson tests, from 15.3% in those under 4 to 80% in those over 5.
  • IgG and IgM antibody prevalence showed less significant age-related variation, with IgG positive in 86% and IgM in 66% of cases.

Impact:

  • Findings highlight potential age-specific clinical presentations of EBV infection in children.
  • Demonstrates the utility of age-stratified serological marker interpretation for EBV diagnosis in pediatric populations.
  • Informs clinical management and diagnostic strategies for infectious mononucleosis in diverse pediatric age groups.

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