This information is provided by the National Institutes of Health (NIH) Genetic and Rare Diseases Information Center (GARD).
Good syndrome is a rare, adult-onset primary immunodeficiency suspected in patients who exhibit hypogammaglobulinemia and low levels of B cells along with a benign thymic tumor (thymoma) on chest X-ray. Symptoms include frequent opportunistic infections involving the sinuses and lungs, including severe CMV disease, P. carinii pneumonia, and mucocutaneous candidiasis. While the cause of Good syndrome remains unknown, there is some evidence that a defect of the bone marrow is involved. Treatment includes removal of the thymic tumor and immunoglobulin replacement.
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