Role of breast MRI in detection and evaluation of breast disease
Breast MRI is used as an adjunct to conventional mammographic assessment. It provides additional information in the following ways: Finding breast cancer not detected by other imaging modalities in women with increased risk. [3, 4, 5] Finding breast cancer not detected by other imaging modalities in women with dense breasts. Finding additional disease in recently diagnosed breast cancer cases (multifocal, multicentric, or bilateral disease). Finding an invasive component in ductal carcinoma in situ lesions. Breast MRI relies on detection of abnormal enhancement caused by neoangiogenesis associated with malignancy. The increasing use of breast MRI has inevitably been accompanied by increased detection of incidental enhancing abnormalities that were not detected by conventional imaging. These apparent lesions may represent normal or dysplastic tissues, cyclic hormonal changes, benign tumors, or unexpected malignant foci. The nature of such foci must be clarified so that a cancer...