The Value of T2 Imaging in Establishing Benignancy or Malignancy of Enhancing Lesions detected by Gd-enhanced Breast MRI
Elezaby M, Kelcz F
University of Wisconsin, University of Wisconsin
For a group of patients with enhancing lesions detected during breast MRI, we measured the ratio of signal intensity of lesion to surrounding fat on T2-weighted fat suppressed imaging. There was considerable overlap in half the patients analyzed, but for the other half, T2 signal intensity was helpful. It was found that lesion to fat ratios greater than 8 indicated high likelihood of benignity while ratios less than 3 were associated with malignancy. T2 imaging results can be especially helpful in deciding how to follow patients with indeterminate enhancement and morphology.