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Equipment for Imaging and Mechanism of Radiation Protection

  • Rui Li
  • Qiang Jia
  • Zhaowei Meng
  • Shen Wang
  • Ruiguo Zhang
  • Wensen Jin
  • Bin Liu
  • Yu Chen
  • Tian Tian
  • Rong Tian
Chapter

Abstract

The use of positron-emitting radionuclide molecular imaging is important in the diagnosis and staging of malignant disease response and monitoring of treatment. In order to cope with emerging clinical needs, the imaging performance has been greatly improved recently. These developments are usually limited by the application of positron emission tomography (PET) physics; hence the primary goal in PET scanner designing is to improve spatial resolution, sensitivity, and the ratio of true coincidence count rate relative to the noise [1]. In addition to the photon counting-related statistical effects, scattered and random coincidence processes also contribute to background noise in PET. Recent advances in new models of scintillator and electronic equipment and statistically based algorithms of PET image reconstruction have greatly improved the clinical performance of PET [2, 3]. Nowadays, the new PET imaging technology is able to complete anatomically and functionally in a few minutes, which largely reduce the waiting time in clinic while maintaining a good imaging quality.

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Copyright information

© Springer Nature Singapore Pte Ltd. and Shanghai Jiao Tong University Press 2019

Authors and Affiliations

  • Rui Li
    • 1
  • Qiang Jia
    • 2
  • Zhaowei Meng
    • 2
  • Shen Wang
    • 2
  • Ruiguo Zhang
    • 2
  • Wensen Jin
    • 3
  • Bin Liu
    • 4
  • Yu Chen
    • 5
  • Tian Tian
    • 4
  • Rong Tian
    • 4
  1. 1.Department of Nuclear MedicineRenJi Hospital, School of Medicine, Shanghai JiaoTong UniversityShanghaiP. R. China
  2. 2.Department of Nuclear MedicineTianjin Medical University General HospitalTianjinP. R. China
  3. 3.Teaching and Research Section of Nuclear MedicineAnhui Medical UniversityHefeiP. R. China
  4. 4.Department of Nuclear MedicineWest China Hospital, Sichuan UniversityChengduP. R. China
  5. 5.Department of Operation ManagementWest China Hospital, Sichuan UniversityChengduP. R. China

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