Progress in the development of a dedicated breast CT scanner

Alexander Kwan, Nikula Shah, George Burkett, J Anthony Seibert, Karen K Lindfors, Thomas R. Nelson, John M Boone

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations


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.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsM.J. Yaffe, M.J. Flynn
Number of pages7
StatePublished - 2004
EventMedical Imaging 2004: Physics of Medical Imaging - San Diego, CA, United States
Duration: Feb 15 2004Feb 17 2004


OtherMedical Imaging 2004: Physics of Medical Imaging
Country/TerritoryUnited States
CitySan Diego, CA


  • Breast imaging
  • Computed tomography
  • Cone-beam
  • DQE
  • Mammography
  • MTF
  • X-ray

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics


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