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Immune-Mediated Diseases and Immunodeficiencies Associated with Thymic Epithelial Neoplasms.
MedLine Citation:
PMID:  22228568     Owner:  NLM     Status:  Publisher    
INTRODUCTION: This retrospective study aimed to characterize the clinical hematological and immunological features of patients with thymic epithelial neoplasms. METHODS: From a cohort of 512 patients with thymic epithelial neoplasms, 79 patients diagnosed with autoimmune/immunodeficiency conditions or signs and/or symptoms suggesting an autoimmune or immunodeficiency state were evaluated by standard immunological and hematological testing. RESULTS: Elevated percentages of CD2+, CD3+, and CD8+ lymphocytes were observed in 44 (57.1%), 33 (41.8%), and 32 (40.5%) patients. Low CD4+ and CD19+ percentages were observed in 25 (31.6%) and 36 (46.2%), respectively; CD4+:CD8+ ratios were inverted in 18 (22.8%). IgG, IgA, and IgM levels were low in 12 (15.8%), 9 (11.7%) and 15 (19.7%) patients, respectively. Patients with immunodeficiency condition(s) were more likely to have high CD8+ percentages (p = 0.040), low CD19+ percentages (p = 0.025), and/or inverted CD4+/CD8+ ratios (p = 0.034). Patients with autoimmune condition(s) were more likely to have a high/normal CD4+ percentage (p = 0.038). High CD2+ percentages were associated with lower mean IgG and IgA levels (p = 0.030 and p = 0.017, respectively). High CD3+ and CD8+ percentages were associated with lower mean IgA levels (p = 0.046 and p = 0.013, respectively). Low CD19+ percentages were associated with lower mean IgG and IgA levels (p = 0.004 and p < 0.001, respectively). CONCLUSION: Signs/symptoms and history of autoimmune and immunodeficiency conditions among patients with thymic epithelial neoplasms are associated with high frequencies of abnormalities in immunoglobulin levels and lymphocyte immunophenotypes, suggesting a role for their assessment.
Muhammad Rizwan Khawaja; Robert P Nelson; Nicholas Miller; Sunil S Badve; Elizabeth Loehrer; Magdalena Czader; Susan M Perkins; Kenneth Kesler; Patrick J Loehrer
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-8
Journal Detail:
Title:  Journal of clinical immunology     Volume:  -     ISSN:  1573-2592     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8102137     Medline TA:  J Clin Immunol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA.
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