Pre-op MRI ineffective in preventing further breast cancer surgery

Though often used to determine the extent of cancer in women with dense breast tissue, a new study casts additional doubt on the usefulness of pre-operative magnetic resonance imaging in preventing further surgery among women undergoing full or partial mastectomy.

In fact, MRI tends to overestimate the extent of the disease, according to the research published in Archives of Surgery. Mastectomies later were determined to be unnecessary in one-quarter of the patients who underwent the procedures.


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