Overview of MRI and Static 18F-FET PET Parameters
Parameter | Overall (n = 45) | Lung cancer (n = 16) | Breast cancer (n = 5) | Melanoma (n = 22) | Ewing sarcoma (n = 1) | Cancer of unknown primary (n = 1) |
Median diameterce (cm) | 1.8 | 2.1 | 1.6 | 1.4 | 1.7 | 3.0 |
Range diameterce (cm) | 0.6–6.0 | 0.8–6.0 | 0.7–2.4 | 0.6–5.0 | — | — |
Median VOLce (mL) | 3.31 | 4.33 | 3.69 | 1.45 | 1.19 | 7.63 |
Range VOLce (mL) | 0.05–63.10 | 0.22–63.10 | 0.22–9.08 | 0.05–15.95 | — | — |
18F-FET–positive | 40/45 (89%) | 16/16 (100%) | 4/5 (80%) | 18/22 (82%) | 1/1 (100%) | 1/1 (100%) |
Median TBRmax | 2.53 | 2.61 | 2.97 | 2.20 | 4.01 | 1.8 |
Range TBRmax | 1.64–9.47 | 1.64–5.10 | 2.12–3.11 | 1.66–9.47 | — | — |
Median TBRmean | 1.86 | 1.88 | 2.05 | 1.78 | 2.31 | 1.66 |
Range TBRmean | 1.63–5.48 | 1.64–2.67 | 1.79–2.19 | 1.63–5.48 | — | — |
Median BTV (mL) | 3.59 | 5.11 | 6.46 | 1.25 | 5.62 | 0.48 |
Range BTV (mL) | 0.04–23.98 | 0.06–22.85 | 0.36–23.98 | 0.04–10.95 | — | — |