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  • Title: Lymphocyte analysis in a patient with X-linked agammaglobulinemia and isolated growth hormone deficiency after development of echovirus dermatomyositis and meningoencephalitis.
    Author: Wagner DK, Marti GE, Jaffe ES, Straus SE, Nelson DL, Fleisher TA.
    Journal: Int Arch Allergy Appl Immunol; 1989; 89(2-3):143-8. PubMed ID: 2759712.
    Abstract:
    A previously described patient with X-linked agammaglobulinemia and growth hormone deficiency developed an echovirus-associated meningoencephalitis and dermatomyositis-like syndrome while being treated with intramuscular gamma globulin and human growth hormone. Initiation of high-dose intravenous gamma globulin resulted in resolution of the clinical symptoms and the patient has remained asymptomatic over the past 55 months. Lymphocyte phenotype analysis at the time of presentation with echovirus infection revealed an increase in CD2+, CD16+, HNK-1+ lymphocytes, a decrease in CD4+ T cells as well as absence of B cells. This elevation in the LGL/NK phenotype resolved with clinical improvement. In addition, there was evidence of lymphocyte activation following the development of echovirus infection (increase in HLA-DR expression and elevated serum IL-2 receptor levels) which resolved with clinical improvement. A muscle biopsy obtained during the period of the dermatomyositis-like syndrome demonstrated a CD8+ lymphocytic infiltrate very similar to the observations in classical dermatomyositis. Taken together, these findings suggest that growth hormone therapy in this patient failed to alter the humoral immunodeficiency. In addition, serum IL-2 receptor levels and lymphocyte phenotyping may be useful adjuncts for monitoring echovirus disease in immunodeficient patients.
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