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Proceedings Paper

Progress in the development of a dedicated breast CT scanner
Author(s): Alexander Kwan; Nikula Shah; George Burkett; J. Anthony Seibert; Karen K. Lindfors; Thomas R. Nelson; John M. Boone
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Paper Abstract

A pendant-geometry, cone-beam breast CT scanner has been constructed and is undergoing thorough testing in our facility. The system is capable of acquiring 30 frames/sec in 2×2 binning mode (1024×768 pixels) using a flat panel detector coupled to a thallium-doped cesium iodide scintillator. The DQE of the detector system for RQA5 and RQA9 x-ray beam qualities were computed, and the low frequency DQE values were 65% and 57% respectively at approximately 16 μR/frame. The results also shown that minor improvements in DQE are achieved for exposures greater than 16 μR/frame. It is expected that the scanner will be available for the imaging of human volunteers in the first half of 2004.

Paper Details

Date Published: 6 May 2004
PDF: 7 pages
Proc. SPIE 5368, Medical Imaging 2004: Physics of Medical Imaging, (6 May 2004); doi: 10.1117/12.537029
Show Author Affiliations
Alexander Kwan, Univ. of California Davis Medical Ctr. (United States)
Nikula Shah, Univ. of California Davis Medical Ctr. (United States)
George Burkett, Univ. of California Davis Medical Ctr. (United States)
J. Anthony Seibert, Univ. of California Davis Medical Ctr. (United States)
Karen K. Lindfors, Univ. of California Davis Medical Ctr. (United States)
Thomas R. Nelson, Univ. of California/San Diego (United States)
John M. Boone, Univ. of California Davis Medical Ctr. (United States)


Published in SPIE Proceedings Vol. 5368:
Medical Imaging 2004: Physics of Medical Imaging
Martin J. Yaffe; Michael J. Flynn, Editor(s)

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