Fusion of FDG-PET Image and Clinical Features for Prediction of Lung Metastasis in Soft Tissue Sarcomas
Table 2
SUV metrics features and Clinical features used in this study.
Type
Name
Description
SUV metrics
SUVmax
Maximum SUV of the tumour region
SUVpeak
Average of the voxel with maximum SUV within the tumour region and its 26 connected neighbors
SUVmean
Average SUV value of the tumour region
aucCSH
Area under the curve of the cumulative SUV volume histogram describing the percentage of total tumour volume above a percentage threshold of maximum SUV
PercentInactive
Percentage of the tumour region that is inactive. A threshold of 2 followed by closing and opening morphological operations were used to differentiate active and inactive regions on FDG-PET scans