
Clinicopathological features and prognostic factors of nodal T-follicular helper cell lymphoma,angioimmunoblastic-type
He Juan, Wang Xingyu, He Hong, Wang Lixin, Tan Yanmei, Li Yuanxin, Huang Ying, Yu Kuai, Zhao Min, Xie Tao, Li Dan
Clinicopathological features and prognostic factors of nodal T-follicular helper cell lymphoma,angioimmunoblastic-type
Objective To investigate the clinicopathologic features and prognostic factors of nodal T-follicular helper cell lymphoma,angioimmunoblastic-type(nTFHL-AI). Methods A retrospective analysis was performed for the clinical information of 63 patients with nTFHL-AI,and immunohistochemistry,in situ hybridization,and antigen receptor gene rearrangement were used to assess the clinicopathological features of nTFHL-AI. The Cox proportional hazards regression model was used to investigate prognostic factors. Results Immunostaining showed that the number of patients with dominant CD4-positive cells was significantly higher than that of patients with dominant CD8-positive cells(66% vs. 5%). The patients who tested positive for Epstein-Barr virus-encoded small RNA (EBER) showed a higher probability for the expression of CXCL13 compared with their EBER-negative counterparts(P=0.006). The 5-year overall survival(OS) rate and the progression-free survival(PFS) rate were 31% and 16%,respectively. The CXCL13-positive group had significantly better OS and PFS than the CXCL13-negative group(P=0.003 and 0.040). On the contrary,positive BCL6 expression was associated with worse OS and PFS(P=0.026 and 0.044),and negative EBER was also associated with worse OS and PFS(P=0.013 and 0.047). The multivariate analysis showed that negative EBER was an independent negative prognostic factor for both OS and PFS(P=0.001 and 0.003). Conclusion Positive expression of CXCL13 indicates a favorable prognosis of nTFHL-AI patients,while positive BCL6 and negative EBER are associated with poor prognosis,and negative EBER is an independent risk factor for the prognosis of patients.
nodal T-follicular helper cell lymphoma,angioimmunoblastic-type / T-follicular helper cell phenotype / Epstein-Barr virus-encoded small RNA / prognosis
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