Stephanie Leon

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I n late 2006, an outpatient imaging center began its conversion to digital mammography (DM). Part of this transition was a plan to purchase software for computer-aided detection (CAD) to assist in analysis of the digital mammography images. The preparation to purchase one of two systems included a comparison of several specifications, including DICOM(More)
PURPOSE Monte Carlo simulations were performed with the goal of verifying previously published physical measurements characterizing scatter as a function of apparent thickness. A secondary goal was to provide a way of determining what effect tissue glandularity might have on the scatter characteristics of breast tissue. The overall reason for characterizing(More)
OBJECTIVE With the dizzying changes in the rapidly evolving profession of radiology, the structure of resident education in the associated sciences of imaging, physics, radiobiology, and radiation effects must be reevaluated continually. What roles do these basic radiologic sciences play in bolstering the neophyte radiologist on a career of patient care?(More)
PURPOSE That scattered radiation negatively impacts the quality of medical radiographic imaging is well known. In mammography, even slight amounts of scatter reduce the high contrast required for subtle soft-tissue imaging. In current clinical mammography, image contrast is partially improved by use of an antiscatter grid. This form of scatter rejection(More)
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