Research Article

Small Lesions Evaluation Based on Unsupervised Cluster Analysis of Signal-Intensity Time Courses in Dynamic Breast MRI

Table 3

Comparison of the conventional segmentation method and minimal free energy vector quantization and “neural-gas” network in the detection of malignant lesions.

Histology Number Conventional segmentation method MFE Neural Gas
True positiveTrue positiveTrue positive

DCIS 5 60 80 80
Invasive ductal 17 82 88 94
Invasive lobular 4 75 75 100
Scirrous carcinoma 3 66 66 66
Medullary carcinoma 1 100 100 100