Magnetic Resonance Imaging of Breast Cancer

INCLUSION CRITERIA

* Female
* Documented breast physical examination,
* Documented mammography within 3 months of the MR studies
* Palpable or mammographically-detected suspect breast lesions
* Women who have already undergone lumpectomy for breast cancer and have post-biopsy/post-radiation changes will be eligible if they have mammographically-detected or palpable breast abnormalities which are sufficiently suspicious to merit core needle or surgical biopsy.

EXCLUSION CRITERIA:

* Male by birth
* Able to complete the MR examination. Subjects will be interviewed by one of the investigators for the usual contraindications to
* MR contraindications including
* Pacemakers
* Metallic implants
* Severe claustrophobia
* Aneurysm clips
* Pregnancy
* Current lactation
* Other conditions precluding proximity to a strong magnetic field.
* Received an enhanced MR procedure within 48 hours,
* Iodinated contrast within six hours,
* Known sensitivity to MR contrast agents,
* Not likely to complete the study in full or
* Other clinical reason which would preclude participation in the protocol.