The association between active tumor volume, total lesion glycolysis and levels of S-100B and LDH in stage IV melanoma patientsDeckers, E. A., Kruijff, S., Brouwers, A. H., van der Steen, K., Hoekstra, H. J., Thompson, J. F., Vállez García, D. & Wevers, K. P., Nov-2020, In : European Journal of Surgical Oncology. 46, 11, p. 2147-2153 7 p.
Research output: Contribution to journal › Article › Academic › peer-review
Introduction: The Standardized Uptake Value (SUV) in single lesions on 18F-FDG PET/CT scans and serum S-100B concentrations are inversely associated with disease-free survival in stage IV melanoma. The aim of this study was to assess the association between biomarkers (S-100B, LDH) and the PET-derived metrics SUVmean/max, metabolic active tumor volume (MATV), and total lesion glycolysis (TLG) in stage IV melanoma in order to understand what these biomarkers reflect and their possible utility for follow-up. Methods: In 52 stage IV patients the association between PET-derived metrics and the biomarkers S-100B and LDH was assessed and the impact on survival analyzed. Results: S-100B was elevated (>0.15 μg/l) in 37 patients (71%), LDH in 11 (21%). There was a correlation between S-100B and LDH (R2 = 0.19). S-100B was correlated to both MATV (R2 = 0.375) and TLG (R2 = 0.352), but LDH was not. Higher MATV and TLG levels were found in patients with elevated S-100B (p < 0.001) and also in patients with elevated LDH (>250 U/l) (p < 0.001). There was no association between the biomarkers and SUVmean/max. Survival analysis indicated that LDH was the only predictor of melanoma-specific survival. Conclusion: In newly diagnosed stage IV melanoma patients S-100B correlates with 18F-FDG PET/CT derived MATV and TLG in contrast to LDH, is more often elevated than LDH (71% vs. 21%) and seems to be a better predictor of disease load and disease progression. However, elevated LDH is the only predictor for survival. The biomarkers, S-100B and LDH appear to describe different aspects of the extent of metastatic disease and of tumornecrosis.
|Number of pages||7|
|Journal||European Journal of Surgical Oncology|
|Early online date||27-Jul-2020|
|Publication status||Published - Nov-2020|
- Biomarkers, LDH, Melanoma, PET, S-100B, Staging