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[Severe Epstein-Barr virus infection in an infant]
H Rubie1, J Icart, S Rossignol
1Service de Médecine Infantile B, CHU Purpan, Toulouse.
Insights
A severe infant illness involving intestinal perforation and pseudolymphoma showed Epstein-Barr Virus (EBV) infection with delayed antibody response. The child recovered, but lost vaccinal antibodies, indicating potential long-term immune effects.
Area of Science:
- Pediatric Gastroenterology
- Infectious Diseases
- Immunology
Background:
- A case study of an 11-month-old boy presenting with peritonitis due to intestinal perforation.
- The patient exhibited pseudolymphoma and histiocytic activation, with no significant family history.
Observation:
- The infant later developed unexplained gastrointestinal bleeding and interstitial pneumonitis, which resolved spontaneously.
- Extensive infectious and immunologic workups were negative.
- Epstein-Barr Virus (EBV) was detected in multiple sites, alongside a delayed specific antibody production.
Findings:
- The patient's clinical presentation resolved without specific treatment for EBV.
- Follow-up at 18 months revealed no abnormalities, except for a loss of vaccinal antibodies.
Implications:
- This case highlights a potential link between EBV infection, severe gastrointestinal manifestations, and transient immune dysregulation in infants.
- The disappearance of vaccinal antibodies warrants further investigation into long-term vaccine immunity following such infections.
- Suggests the need for comprehensive diagnostic approaches in infants with unexplained systemic symptoms and potential EBV involvement.
Abstract:
A 11 month-old boy, without any informative familial pedigree, was admitted for peritonitis after intestinal perforation, associated with signs of pseudolymphoma and histiocytic activation. He developed later unexplained gastrointestinal bleeding and interstitial pneumonitis, which spontaneously improved. All infectious and immunologic studies were negative. Epstein-Barr Virus was found in throat, lungs and blood, whereas the specific antibodies production was delayed. No abnormality was detected 18 months later, except for a disappearance of vaccinal antibodies.