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Published on: June 10, 2025
[Clinicopathological Features and Prognostic Factors of DLBCL]
Jian-Yang Lin1, Yan-Bin Zheng1, Hong-Ming He1
1Department of Lymphoma and Head and Neck Cancer, Fujian Tumor Hospital, Affiliated Cancer Hospital of Fujian Medical University, Fuzhou 350014, Fujian Province, China.
Objective:
To analyze the clinicopathological features and prognostic factors of patients with diffuse large B-cell lymphoma(DLBCL).
Methods:
Ninety-four cases of DLBCL followed up were selected in Fujian Tumor Hospital. The immunohistochemistry method was used to detect the protein expressions of BCL-2 BCL-6, MYC, CD10 and MUM-1, the gene abnormalities of MYC and BCL-2 were analyzed by fluorescence in situ hybridization, and the clinical pathological features and the related factors affecting prognosis in the patients with DLBCL were analyzed.
Results:
The protein positive rates of BCL-2, BCL-6, MYC, CD10 and MUM-1 in 94 patients were 75.53% (71/94), 58.51% (55/94), 52.13% (49/94), 15.96% (15/94) and 34.04% (32/94) respectively. The detection rate of MYC gene abnormality was 20.93% (9/43) and the detection rate of BCL-2 gene abnormality was 44% (22/50); 2 kinds of gene abnormalities were of multiple copies, and 2 cases (2.13%) were abnormal in MYC and BCL-2 genes simultaneously. The median survival time of 3 years in 94 patients was 21.79 months (2-36 months), and the overall survival rates of 1 and 3 years were 82.98% and 64.89% respectively. Single factor analysis revealed that the high ECOG score (≥ 2), high international prognostic index (IPI) classification, positive expression of BCL-6 protein, and MYC and BCL-2 gene simultaneously abnormal were the risk factors influencing the prognosis (all P<0.05). COX regression analysis showed that IPI classification, ECOG score and treatment methods were independent factors influencing the prognosis (all P<0.05).
Conclusion:
IPI classification, ECOG score and treatment methods have greater impacts on the prognosis of patients with DLBCL. Chemotherapy combined with radiotherapy or surgical treatment can significantly improve the prognosis of patients.
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