Abstract: Described are quantitative results of an ultrasound imaging method for discrimination between breast cancers and benign lesions. The procedure, called disparity mapping, may provide better medicine at lower cost. 27 in vivo samples were obtained from the Radiology Dept., Hospital of the University of Pennsylvania, of which 12 were cancers or were suspicious of being cancers and 15 were benign. Zero errors resulted from the procedure described herein. Undue optimism is unwarranted because of the small sample size, particularly of the cancers, and because the test was not blind. Because DM appears to react to elastic surface characteristics of lesions it also has the potential to disclose sites of active growth on cancerous lesions. This information, prior to surgery, would be valuable to the surgeon in planning the procedure. !8
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