TABLE 1

Overview of MRI and Static 18F-FET PET Parameters

ParameterOverall (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)1.82.11.61.41.73.0
Range diameterce (cm)0.6–6.00.8–6.00.7–2.40.6–5.0
Median VOLce (mL)3.314.333.691.451.197.63
Range VOLce (mL)0.05–63.100.22–63.100.22–9.080.05–15.95
18F-FET–positive40/45 (89%)16/16 (100%)4/5 (80%)18/22 (82%)1/1 (100%)1/1 (100%)
Median TBRmax2.532.612.972.204.011.8
Range TBRmax1.64–9.471.64–5.102.12–3.111.66–9.47
Median TBRmean1.861.882.051.782.311.66
Range TBRmean1.63–5.481.64–2.671.79–2.191.63–5.48
Median BTV (mL)3.595.116.461.255.620.48
Range BTV (mL)0.04–23.980.06–22.850.36–23.980.04–10.95