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    Frequent Mammograms Tied to Lower Risk of Breast Cancer Spread

    Patients who had scans at shorter intervals had less lymph node involvement, study found


    The updated guidelines took into account death from breast cancer with different screening intervals and the downsides of false positives, which could translate into more testing, expense and anxiety.

    Other organizations, however, including the American Cancer Society and the American College of Radiology, continue to recommend annual mammograms for women beginning at age 40.

    The new results, Wang said, support the recommendations for annual testing beginning at age 40 for average-risk women.

    The study disclosed that another co-author has served on boards or been a speaker for imaging-device manufacturers.

    An expert not connected with the new study said its focus -- looking not at the risk of death from breast cancer, but the chances of cancer spreading to the lymph nodes -- is a legitimate one.

    "If you catch someone with early stage cancer, they are going to need less extensive surgery, and maybe no chemo," said Dr. Laura Kruper, director of the Cooper-Finkel Women's Health Center at the City of Hope Cancer Center, in Duarte, Calif.

    "[The new study] adds more power behind the fact that we do need screening mammograms starting at age 40 and every year," she said.

    In a second study presented at the meeting, other researchers reported on a new technique that uses focused ultrasound under the MRI guidance to heat and destroy breast cancer tissue.

    Researchers at Sapienza University, in Rome, evaluated the treatment in 12 breast cancer patients before surgical removal of their cancer and biopsy of their lymph nodes.

    When the researchers looked at the tissue, no sign of tumor was found in 10 of the 12 patients. More research is needed, however, before the technique could be considered as a standalone treatment, the researchers said.

    Kruper agreed. The new technique is far from being ready for clinical use, she said. Among the unanswered questions are how the results will stand up over time.

    Because both studies were presented at a medical meeting, the data and conclusions should be viewed as preliminary until published in a peer-reviewed journal.

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