Korean J Leg Med.  2007 Nov;31(2):188-191.

Fatal Infectious Mononucleosis: A case report

Affiliations
  • 1Department of Pathology, Ajou University School of Medicine, Suwon, Korea. mrkjhk@yahoo.co.kr

Abstract

Infectious mononucleosis(IM) is a benign self-limiting disease and result from a polyclonal B cell proliferation secondary to Epstein-Barr virus (EBV) infections. The infection is controlled by cytotoxic T cells triggered by EBV infected B cells. However, rare cases develop severe or fatal IM accompanied by hemophagocytic syndrome. We report a case of a 4-year-old girl who presented with high fever, hepatosplenomegaly, hepatic failure, pancytopenia and coagulopathy. Despite intensive treatment, the patient's condition deteriorated rapidly and died 3 days after admission. At autopsy, there was prominent infiltration of atypical lymphocytes with hemophagocytosis in multiple organs, especially liver, spleen and lymph nodes. Atypical lymphocytes were immunopositive for T cell markers and showed positive signal in EBV in situ hybridization.

Keyword

EBV; Infectious mononucleosis; autopsy; hemophagocytic syndrome

MeSH Terms

Autopsy
B-Lymphocytes
Cell Proliferation
Child, Preschool
Female
Fever
Herpesvirus 4, Human
Humans
In Situ Hybridization
Infectious Mononucleosis*
Liver
Liver Failure
Lymph Nodes
Lymphocytes
Lymphohistiocytosis, Hemophagocytic
Pancytopenia
Spleen
T-Lymphocytes
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