Abstract
Primary thyroid lymphoma (PTL) is a rare malignant disease with the most common histological type of diffuse large B-cell lymphoma (DLBCL). Hashimoto's thyroiditis (HT) is closely related to the pathogenesis of PTL. The present study is to explore the clinical prognosis of PTL and analyze the gene correlations between PTL and HT.Thirty-nine patients diagnosed with PTL between 2010 and 2018 in our institute were retrospectively reviewed and clinical features were evaluated on PTL survival. Then, overlapping differentially expressed genes (DEGs) between PTL and HT were evaluated for gene ontology, pathways enrichment, protein-protein interaction network analysis. Furthermore, we used gene expression profiling interactive analysis to evaluate the differential expression of these hub genes.In this analysis, International Prognostic Index (IPI) score ≥3 and high β2-MG (>3 mg/L) were associated with worse prognosis in PTL. Notably, a total of 15 both upregulated DEGs in DLBCL and HT were identified and 10 hub genes with a high degree of connectivity were picked out. Among these 10 hub genes, IL6, IL10, CXCL10, and CXCR3 were higher expressed in DLBCL than the normal tissue but have no significant prognosis of DLBCL.High IPI score and high β2-MG level have a poor prognosis in PTL. Besides, IL6, IL10, CXCL10, and CXCR3 are associated with both DLBCL and HT and may be used for the early diagnosis of PTL.
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