Revista espanola de medicina nuclear e imagen molecular · 2025
Prognostic value of [18F]FDG PET/CT in follicular lymphoma.
СтатьяНазвание и аннотация: Перевод в очереди
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Díaz Silván A, Cabello García D, Otón Sánchez L F
Аннотация
OBJECTIVE: To determine the prognostic value of [18F]FDG PET/CT in follicular lymphoma (FL) patients in our routine clinical practice.
MATERIAL AND METHODS: Retrospective study of FL patients assessed with PET/CT in our centre from 01/06/2008 to 01/06/2020. This study aimed to investigate the prognostic value of quantitative parameters (MTV, TLG, ΔSUV max) and qualitative criteria (Lugano classification), and its relationships with progression-free survival (PFS) and overall survival (OS).
RESULTS: Among patients with available staging PET/CT, the 5-year OS was 90.4% for those with lower MTV and 89.7% for those with higher MTV (p = 0.3). The PFS was 77.6% for those with lower MTV and 53.2% for those with higher MTV (p = 0.001). TLG yielded statistically similar results. A ΔSUV max ≥ 66% was associated with higher OS and PFS at 5 years, at both interim and final PET/CT studies (iPET and fPET). The 5-year OS for patients with complete metabolic response was 86.3% in iPET and 89.0% in fPET, compared to 84.1% and 79.0%, respectively, for those positive in iPET (p = 0.3) and fPET (p = 0.1). The 5-year PFS for patients with complete metabolic response was 76.9% in iPET and 73.1% in fPET, compared to 58.7% and 62.2%, respectively, for those positive in iPET (p = 0.04) and fPET (p = 0.09).
CONCLUSIONS: PET/CT is valuable as a prognostic factor in FL, both during staging (providing parameters with independent prognostic value such as MTV and TLG) and during and after treatment (as it correlates with survival).
MATERIAL AND METHODS: Retrospective study of FL patients assessed with PET/CT in our centre from 01/06/2008 to 01/06/2020. This study aimed to investigate the prognostic value of quantitative parameters (MTV, TLG, ΔSUV max) and qualitative criteria (Lugano classification), and its relationships with progression-free survival (PFS) and overall survival (OS).
RESULTS: Among patients with available staging PET/CT, the 5-year OS was 90.4% for those with lower MTV and 89.7% for those with higher MTV (p = 0.3). The PFS was 77.6% for those with lower MTV and 53.2% for those with higher MTV (p = 0.001). TLG yielded statistically similar results. A ΔSUV max ≥ 66% was associated with higher OS and PFS at 5 years, at both interim and final PET/CT studies (iPET and fPET). The 5-year OS for patients with complete metabolic response was 86.3% in iPET and 89.0% in fPET, compared to 84.1% and 79.0%, respectively, for those positive in iPET (p = 0.3) and fPET (p = 0.1). The 5-year PFS for patients with complete metabolic response was 76.9% in iPET and 73.1% in fPET, compared to 58.7% and 62.2%, respectively, for those positive in iPET (p = 0.04) and fPET (p = 0.09).
CONCLUSIONS: PET/CT is valuable as a prognostic factor in FL, both during staging (providing parameters with independent prognostic value such as MTV and TLG) and during and after treatment (as it correlates with survival).