Research Article

DCE-MRI and DWI Integration for Breast Lesions Assessment and Heterogeneity Quantification

Table 1

Silhouette analysis scores describing cluster compactness and separation for the whole ROI and for each relevant region for the kinetic features and the multimodal lesion assessment (MMLA) methods (the higher the better).

MethodMeanCentral 1Central 2 Periferic

Morphologic features0.51 0.53 0.51 0.49
Morphologic features + ADC0.470.490.480.44
MMLA0.620.57 0.65 0.61
MMLA + ADC, = 10.620.57 0.640.62
MMLA + ADC, = 30.580.540.59 0.60
MMLA + ADC, = 50.570.56 0.58 0.58