Table 6. Semi-quantitative metrics derived from post-CHT FDG-PET.
| EWS | OST | |||||
|---|---|---|---|---|---|---|
| Average | Min | Max | Average | Min | Max | |
| SUVmax2 | 2.8 | 0.7 | 6.8 | 3.6 | 1.8 | 8.0 |
| ΔSUVmax | -60.3 | -82.4 | 10.6 | -67.1 | -93.1 | -23.8 |
| SUVpeak2 | 1.9 | 0.5 | 5.1 | 2.8 | 1.4 | 6.1 |
| ΔSUVpeak | -63.8 | -86.6 | -15.8 | -64.8 | -92.7 | -14.4 |
| SUVmean2 | 1.4 | 0.0 | 4.7 | 1.6 | 0.9 | 3.8 |
| ΔSUVmean | -64.3 | -100.0 | 20.0 | -65.5 | -91.7 | -20.8 |
| TLG2 | 32.3 | 0.0 | 196.2 | 267.9 | 54.8 | 686.8 |
| ΔTLG | -89.3 | -100.0 | 9.9 | -29.0 | -88.8 | 395.4 |
| MTV2 | 24.5 | 0.0 | 146.4 | 181.4 | 41.8 | 472.5 |
| ΔMTV | -66.4 | -100.0 | 233.9 | 157.4 | -36.5 | 2519.1 |
EWS: Ewing sarcoma; OST: Osteosarcoma; SUV: Standard Uptake Value; TLG: Total Lesion Glycolysis MTV: Metabolic tumor volume