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Huge Study Will Compare 2-D, 3-D Mammography

Dec 08, 2017

U.S. health officials will conduct one of the largest randomized trials of mammography in decades. The study aims to compare standard 2-D digital mammography with tomosynthesis, or 3-D mammography.

“We need to determine if 3-D mammography is better than 2-D at finding the sort of breast cancers that are most likely to spread and kill women,” said study chair Etta D. Pisano, M.D., in a news release. “If a newer screening technology does not reduce the numbers of advanced, life-threatening cancers, then are we really improving screening for breast cancer?”

The Tomosynthesis Mammographic Imaging Screening Trial will enroll up to 165,000 healthy women ages 45 to 74 who are already planning to get routine mammograms. TMIST was developed by the National Cancer Institute, part of the National Institutes of Health.

About 100 mammography clinics in the United States are planning to participate in the trial. Women are being told about the opportunity to enroll in the trial when they schedule routine mammograms.

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