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Acute exacerbation in chronic hepatitis B virus infection
M V Santos1, M I Duarte, A A Barone
1Departamento de Moléstias infecciosas e Parasitárias, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, Brasil.
Summary
This case report details a young male with chronic Hepatitis B virus (HBV) infection experiencing severe hepatitis. The exacerbation was linked to HBeAg seroconversion, highlighting diagnostic challenges in differentiating acute HBV from chronic flares.
Area of Science:
- Hepatology
- Virology
- Immunology
Background:
- Chronic Hepatitis B virus (HBV) infection affects millions globally.
- Distinguishing acute HBV exacerbations from primary acute HBV infection is clinically significant.
- Seroconversion from Hepatitis B e-antigen (HBeAg) to antibody (anti-HBe) can precipitate flares in chronic HBV.
Observation:
- A young male with chronic HBV presented with acute, symptomatic hepatitis.
- Liver biopsy revealed extensive bridging necrosis, indicating severe liver injury.
- Serological markers confirmed chronic HBV infection (HBsAg+, anti-HBs-, HBeAg-, anti-HBe+, anti-HBc IgG+, IgM-).
Findings:
- The severe hepatitis episode was attributed to spontaneous HBeAg seroconversion.
- Histopathology correlated with clinical severity, showing significant liver damage.
- Follow-up liver biopsy demonstrated normalization of liver architecture and viral clearance.
Implications:
- This case underscores the importance of recognizing HBeAg seroconversion as a cause of severe hepatitis flares in chronic HBV.
- Accurate differentiation using immunoassays is crucial for appropriate patient management.
- Understanding these events aids in predicting and managing HBV-related liver disease progression.