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Lee, S.; Kross, B.; Weisenberger. D.; McKisson, J.; Goddard, J.S.; Baba, J.S.; Smith, M.S.
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States). Funding organisation: USDOE Office of Science (United States)2012
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States). Funding organisation: USDOE Office of Science (United States)2012
AbstractAbstract
[en] Motion-corrected awake animal imaging is needed for normal-state investigations of models of neurological disease and brain activity. The awake animal brain SPECT/CT system, AwakeSPECT at Johns Hopkins University has in the past used a single gamma camera for imaging. Enhancements have been made by adding a pinhole collimator to the second gamma camera at the opposite side which has been previously equipped parallel hole collimator. Geometry calibration was performed using a custom built quality control phantom containing three Co-57 point sources and applied to the tomographic reconstruction code. Hot-rod phantom scans with Tc-99m were performed to test sensitivity and resolution improvements. The reconstruction results show significant resolution and sensitivity improvements.
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1 Feb 2012; 3 p; Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC) 2011; Valencia (Spain); 23-29 Oct 2011; DOE/OR--23177-2201; AC05-06OR23177; Available from Thomas Jefferson National Accelerator Facility, Newport News, VA (United States); pages 3250-3252; doi 10.1109/NSSMIC.2011.6152583
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