Magnetic Resonance Imaging (MRI) is opening new doors in the evaluation and treatment of breast cancer.

MRI is a non-invasive way to image the breasts. Unlike mammography, MRI does not use any radiation. Instead, MRI uses a powerful magnetic field, radiofrequency pulses and a computer to produce images of the breast. MRI provides a 10 to 100 times greater contrast between breast tissues than an X-ray, enabling the radiologist to see the inside breast tissue side-to-side, front-to back, and top-to-bottom.

Breast MRI has unquestionable value in screening women at high risk for breast cancer. In several studies, the sensitivity of breast MRI has actually approached 100 percent, compared to 30 to 59 percent for mammography.

Breast MRI has become an essential component of breast imaging. It now performs a vital role in the investigation of breast cancer, as well as in screening women at high risk for developing breast cancer.

… it has the highest sensitivity for detecting breast cancer of any clinical breast imaging tool available.

Source: CAR Practice Guidelines and Technical Standards for Breast Imaging and Intervention, Canadian Association of Radiologists, September 29, 2012. View PDF

MRI screening was shown to be more sensitive than mammography for the detection of breast cancer. In several studies, the sensitivity of breast MRI has actually approached 100 percent, compared to 30 to 59 percent for mammography.

Source: Effectiveness of magnetic resonance imaging screening for women at high risk of breast cancer, Canadian Agency for Drugs and Technology in Health (2007). View PDF
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