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KMID : 1143120200100040037
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Asia Pacific Allergy
2020 Volume.10 No. 4 p.37 ~ p.37
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Atypical presentation of Good syndrome: acute hepatitis from hepatitis B virus reactivation
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Lai Yi Wye
Tan Teck-Choon
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Abstract
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Good syndrome (GS) is a primary immunodeficiency (PID) that presents in middle aged to older adults with features of thymoma, hypogammaglobulinemia, CD4 T lymphopenia, inverted CD4/CD8+ ratio, and impaired T-cell mitogen proliferative responses. We present a patient, a 62-year-old female, who first presented with disease manifestation of acute hepatitis from hepatitis B virus (HBV) reactivation, which was subsequently complicated by recurrent hospitalizations for recurrent pneumonia and concomitant Helicobacter pylori and cytomegalovirus enteritis. She was later found to have thymoma and hypogammaglobulinemia and was diagnosed with GS. Although the well-known importance of T cell is in directing B-cell responses in the immunopathology of thymoma, low levels of natural killer and CD4+ γδ T cells may also be the cause of both low immune surveillance of tumor development and weak clearance of viral infection. Hence, the temporal sequence of opportunistic infections following HBV reactivation and thymoma discovery may reflect a loss of immune surveillance as the first manifestation of PID.
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KEYWORD
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Good syndrome, Thymoma and hypogammaglobulinemia, HBV reactivation, Acute hepatitis
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