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  • Title: Chronic active Epstein-Barr Virus infection in a teenage girl with suspect autoimmune Hepatitis.
    Author: Tseng WY, Huang SF, Wu CY, Chen SH, Chen CC.
    Journal: BMC Pediatr; 2024 Oct 16; 24(1):664. PubMed ID: 39415172.
    Abstract:
    BACKGROUND: The pathogenesis of chronic active Epstein-Barr virus (EBV) disease (CAEBV) is complex, involving infection, inflammation, and in some cases malignancy. EBV reactivates in some patients, who develop a chronic disease with infectious mononucleosis-like symptoms. On occasion, it might be confused with autoimmune hepatitis (AIH), based on the similar symptoms and elevated liver enzymes. We aimed to describe a similar case to remind reader of this disease. CASE PRESENTATION: A 14-year-old girl was diagnosed with AIH based on biopsy and biomarker findings 1 year prior to admission and initially presented with elevated liver enzymes, portal hypertension, and parenchymal liver disease. Despite steroid administration, her condition fluctuated, and she was admitted to the hospital several times. She underwent a renal biopsy because of massive ascites, hypoalbuminemia, and increased renal echogenicity. An evaluation for impaired liver function showed positivity for EBV IgM, IgG, and early antigen (EBEA) antibodies. A PCR-based assay showed 5265 copies/mL of EBV DNA in peripheral blood. Epstein-Barr encoding region (EBER) in situ hybridization revealed abundant positive cells. Immunohistochemistry for CD56 also showed abundant positive cells, and CAEBV was diagnosed on this basis. Chemotherapy, hematopoietic stem cell transplantation (HSCT), and liver transplantation were proposed but her family refused. CONCLUSIONS: CAEBV should be considered when diagnosing AIH or in cases of treatment-refractory AIH.
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