期刊
EUROPEAN JOURNAL OF HAEMATOLOGY
卷 92, 期 5, 页码 382-389出版社
WILEY
DOI: 10.1111/ejh.12268
关键词
survival; quantitative assessment; glycolytic activity; PET/CT; DLBCL
类别
Aim We evaluated the prognostic significance of standardized uptake value (SUVmax), metabolic tumor volume (MTV), and total lesion glycolysis (TLG) obtained by F-18 FDG PET/CT (PET/CT) in patients with diffuse large B-cell Lymphomas (DLBCL) presenting intermediate IPI score. Material and Methods Fifty-two patients (61 +/- 13yr) underwent PET/CT before the first-line chemotherapy. The mean SUVmax value, the summed MTV (cm(3); 42% threshold), and the cumulative TLG (g) were registered. The patients were followed up 18months thereafter (range 3-41months). The PET/CT results were compared to the event-free survival (EFS). Results At univariate analysis, SUVmax and lactate dehydrogenase (LDH) levels were predictive, but discordantly. The Kaplan-Meier survival analysis for SUVmax showed a significant better EFS in patients presenting higher values as compared to those having lesser (P=0.0002, HR 0.13). Summed MTV and cumulative TLG were not suitable for predicting EFS. Conclusion Despite the availability of new tools for the quantitative assessment of disease activity on PET/CT, the SUVmax rather than MTV and TLG remains the only predictor for EFS in DLBCL patients. The magnitude of glycolytic activity rather than the amount of metabolically active burden holds a predominant value for determining the response to chemotherapy in DLBCL.
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