Characterization of a PET Camera Optimized for ProstateImaging

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We present the characterization of a positron emission tomograph for prostate imaging that centers a patient between a pair of external curved detector banks (ellipse: 45 cm minor, 70 cm major axis). The distance between detector banks adjusts to allow patient access and to position the detectors as closely as possible for maximum sensitivity with patients of various sizes. Each bank is composed of two axial rows of 20 HR+ block detectors for a total of 80 detectors in the camera. The individual detectors are angled in the transaxial plane to point towards the prostate to reduce resolution degradation in ... continued below

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Huber, Jennifer S.; Choong, Woon-Seng; Moses, William W.; Qi,Jinyi; Hu, Jicun; Wang, G.C. et al. November 11, 2005.

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We present the characterization of a positron emission tomograph for prostate imaging that centers a patient between a pair of external curved detector banks (ellipse: 45 cm minor, 70 cm major axis). The distance between detector banks adjusts to allow patient access and to position the detectors as closely as possible for maximum sensitivity with patients of various sizes. Each bank is composed of two axial rows of 20 HR+ block detectors for a total of 80 detectors in the camera. The individual detectors are angled in the transaxial plane to point towards the prostate to reduce resolution degradation in that region. The detectors are read out by modified HRRT data acquisition electronics. Compared to a standard whole-body PET camera, our dedicated-prostate camera has the same sensitivity and resolution, less background (less randoms and lower scatter fraction) and a lower cost. We have completed construction of the camera. Characterization data and reconstructed images of several phantoms are shown. Sensitivity of a point source in the center is 946 cps/mu Ci. Spatial resolution is 4 mm FWHM in the central region.

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  • IEEE Nuclear Science Symposium and MedicalImaging Conference, San Juan, Puerto Rico, October 22-29,2005

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  • Report No.: LBNL--59115
  • Grant Number: DE-AC02-05CH11231
  • Grant Number: NIHR01-EB-00194
  • Grant Number: R01-HL-071253
  • Office of Scientific & Technical Information Report Number: 883791
  • Grant Number: R01-EB-00194
  • Grant Number: R01-HL-071253
  • Grant Number: DAMD17-02-1-0081
  • Archival Resource Key: ark:/67531/metadc891884

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  • November 11, 2005

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  • Sept. 23, 2016, 2:42 p.m.

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  • Nov. 28, 2017, 8:10 p.m.

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Huber, Jennifer S.; Choong, Woon-Seng; Moses, William W.; Qi,Jinyi; Hu, Jicun; Wang, G.C. et al. Characterization of a PET Camera Optimized for ProstateImaging, article, November 11, 2005; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc891884/: accessed June 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.