New study says 3-D mammograms could be better at detecting cancer

CHICAGO - According to a study published in the Journal of the American Medical Association on Tuesday, 3-D mammograms may be better at finding cancer than regular scans, but it isn't known if that means saving more lives.

Nearly half a million breast scans were involved in the study.  Over one-third used relatively new 3-D imaging in combination with conventional scans.  The rest used regular mammograms alone.

One additional cancer per 1,000 scans was detected with the 3-D combo, compared with conventional mammograms.  There were also 15 percent fewer false alarms.

However, the study wasn't designed to determine whether the combined 3- scans resulted in better long-term outcomes.  Still, researchers say their results are promising.

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