Irregularity

Deviation of the lesion surface from the surface of a sphere

Surface to volume ratio (1/mm)

Ration of surface area to volume

Margin sharpness

Mean of the image gradient at the lesion margin

Energy

Measure of image homogeneity

Information measure of correlation

Measure of nonlinear graylevel dependence

Sum Average

Measure of the overall image brightness

Maximum enhancement

Maximum contrast enhancement

Time to peak

Time at which the maximum enhancement occurs

Washout rate (1/s)

Washout speed of the contrast enhancement

Volume of most enhancing voxels (mm^{3})

Volume of the most enhancing voxels
