Mayo Clinic Proceedings study finds small tumors detectable with gamma camera
Using a new specially designed gamma camera for breast imaging, Mayo Clinic researchers report in the January issue of Mayo Clinic Proceedings their success with a system they call molecular breast imaging. "By optimizing the camera to detect smaller breast lesions, this technique should aid in the detection of early-stage breast cancer, something that was not possible with conventional gamma cameras," says Michael OConnor, Ph.D., Mayo Clinic radiologist.
In the study, 40 women with suspicious findings on mammogram underwent molecular breast imaging: Twenty-six women had 36 malignant lesions confirmed at surgery. Molecular breast imaging detected 33 of the 36 lesions. In addition, four cancers were detected that were not seen on mammogram. Stephen Phillips, M.D., a Mayo Clinic radiologist involved in the study, said the technique yielded the highest sensitivity yet reported for a gamma camera in the detection of small breast tumors (less than 1 centimeter), reporting an 86 percent rate of detection (19 of 22 cancers).
John Murphy | EurekAlert!
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