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Relapsing hepatitis due to cytomegalovirus?
J M Galama1, J W van der Meer, I van Munster
1Department of Virology, University of Nijmegen, The Netherlands.
The Journal of Infection
|September 1, 1991
Summary
A patient with hyper-IgM syndrome experienced hepatitis due to non-specific cytomegalovirus test reactions. This highlights the limitations of routine serological tests for confirming infections in certain conditions.
Area of Science:
- Immunology
- Virology
- Hepatology
Background:
- Agammaglobulinaemia with hyper IgM (hyper-IgM syndrome) is a primary immunodeficiency characterized by impaired B-cell class switch recombination.
- Patients with hyper-IgM syndrome are susceptible to various infections, including viral hepatitis.
- Accurate diagnosis of co-infections is crucial for appropriate management.
Observation:
- A case of hyper-IgM syndrome presented with recurrent hepatitis.
- Serological tests initially indicated cytomegalovirus (CMV) infection.
- Three different serological assays consistently suggested CMV infection.
Findings:
- Further investigation revealed that the positive serological reactions were non-specific.
- The observed hepatitis was not caused by cytomegalovirus in this specific case.
- The routine serological tests lacked the necessary specificity for definitive diagnosis.
Implications:
- This case underscores the limitations of relying solely on routine serological tests for infection confirmation, especially in immunocompromised patients.
- Non-specific reactions can lead to misdiagnosis and potentially inappropriate treatment.
- The importance of confirmatory testing and clinical correlation in diagnosing viral infections is emphasized.