A newer type of breast biopsy is the stereotactic biopsy that relies on a three-dimensional x-ray to guide the needle biopsy of non-palpable mass.
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Unlike widely used " core needle biopsies, " which require multiple incisions to remove enough tissue for diagnosis, the Mammotone needs only one insertion.
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Mrs . Edwards had a needle biopsy performed at Massachusetts General Hospital in Boston, where Dr . Barbara Smith confirmed the cancer, Ginsberg said.
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The procedure represents a 40 percent cost savings over traditional surgical biopsy, researchers said, though it does cost slightly more than core needle biopsy.
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Needle biopsies became widely used in the 1980s, but it was recognized that the accuracy of identification of cancer was good, but not perfect.
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"The needle might be used first to look for abnormalities, " he said, then be followed by an ordinary needle biopsy of the site.
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If the test result is 10 or higher and the patient is not elderly, doctors will recommend more sophisticated diagnostic tests, including a six-needle biopsy of the prostate.
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Fine needle biopsies are one of the least intrusive diagnostic tests, but also ones in which the needle can miss the mass and fail to detect cancer cells.
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He said this would actually detect 10 percent more cancer and trigger 13 percent fewer needless biopsies than simply doing biopsies on everyone with a total PSA over 4.
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Alone in my hospital gown, waiting for the results of the needle biopsy to come back from the lab, I thought about my kids, Gabe, 16, and Talia, 14.
