Study: New way to spot breast cancer shows promise

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These undated images provided by the Mayo Clinic in Minnesota shows a standard mammogram left and molecular breast imaging (MBI) from a study performed on a 45-year-old patient in the clinics screening of women with dense breasts. The mammogram was ...
These undated images, provided by the Mayo Clinic in Minnesota, shows a standard mammogram, left, and molecular breast imaging (MBI) from a study performed on a 45-year-old patient in the clinic's screening of women with dense breasts. The mammogram was interpreted as being negative while the MBI image shows a cancer indicated by the arrow. (AP Photo/The Mayo Clinic)
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(AP) -- A radioactive tracer that "lights up" cancer hiding inside dense breasts showed promise in its first big test against mammograms, revealing more tumors and giving fewer false alarms, doctors reported Wednesday. The experimental method - molecular breast imaging, or MBI - would not replace mammograms for women at average risk of the disease.


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