1. MRI is not used in place of diagnostic mammography (special views and/or US)

2. MRI is not used as a substitute for screening mammography (because MRI will miss some cancers that mammography will detect [ie, DCIS, which accounts for 25% of all breast cancer cases])

3. MRI is not used in lieu of biopsy of a mammographically, clinically, or sonographically suspicious finding

*Breast MRI is not used in the workup of breast pain*

Breast MRI is almost never used in the workup of noncalcified mammographic findings

Breast MRI is usually not appropriate in the workup of a palpable mass