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Dose reduction and its influence on diagnostic accuracy and radiation risk in digital mammography: an observer performance study using an anthropomorphic breast phantom

¹ Department of Medical Radiation Physics, Lund University, Malmö University Hospital, SE-20502 Malmö, Sweden, ² Department of Radiology, University of Pittsburgh, 3520 5th Avenue, Suite 300, Pittsburgh, PA 15213, USA, ³ Department of Diagnostic Radiology, Malmö University Hospital, Malmö, Sweden

View larger version (89K): [in this window] [in a new window]   Figure 1. The image on the left shows a radiograph of the breast phantom with structures added to simulate lesions. The arrows indicate added masses. The corresponding image to the right has no added pathological structures.

View larger version (146K): [in this window] [in a new window]   Figure 2. A close-up of an X-ray image illustrates one of the simulated clusters of microcalcifications in the phantom.