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- Title
Radiation dose reduction using a CdZnTe-based computed tomography system: comparison to flat-panel detectors.
- Authors
Le Huy, Q; Ducote, Justin L; Molloi, Sabee
- Abstract
Although x-ray projection mammography has been very effective in early detection of breast cancer, its utility is reduced in the detection of small lesions that are occult or in dense breasts. One drawback is that the inherent superposition of parenchymal structures makes visualization of small lesions difficult. Breast computed tomography using flat-panel detectors has been developed to address this limitation by producing three-dimensional data while at the same time providing more comfort to the patients by eliminating breast compression. Flat panels are charge integrating detectors and therefore lack energy resolution capability. Recent advances in solid state semiconductor x-ray detector materials and associated electronics allow the investigation of x-ray imaging systems that use a photon counting and energy discriminating detector, which is the subject of this article.
- Publication
Medical physics, 2010, Vol 37, Issue 3, p1225
- ISSN
0094-2405
- Publication type
Journal Article
- DOI
10.1118/1.3312435