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Related Experiment Video

Updated: Jul 7, 2026

High Resolution 3D Imaging of Ex-Vivo Biological Samples by Micro CT
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A high resolution PET for animal studies.

M Watanabe1, H Uchida, H Okada

  • 1Hamamatsu Photonics K.K., Hamakita-city.

IEEE Transactions on Medical Imaging
|January 1, 1992
PubMed
Summary
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This study details a novel Positron Emission Tomography (PET) system featuring block detectors with bismuth germanate (BGO) crystals. The system offers versatile imaging capabilities for various animal models, from rodents to primates.

Area of Science:

  • Medical Imaging
  • Nuclear Medicine
  • Biomedical Engineering

Background:

  • Positron Emission Tomography (PET) is crucial for in vivo imaging.
  • Advancements in detector technology are key to improving PET system performance.
  • Developing versatile imaging systems supports a wide range of preclinical research.

Purpose of the Study:

  • To describe the design and capabilities of a new PET system.
  • To evaluate the physical performance of the described PET system.
  • To highlight the system's flexibility for diverse research applications.

Main Methods:

  • Utilized block detectors with position-sensitive photomultiplier (PMT) tubes and bismuth germanate (BGO) crystals.
  • Assembled fifteen block detectors into a 35-cm diameter ring, forming four detector rings for 7-slice imaging.

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Last Updated: Jul 7, 2026

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  • Incorporated a gantry with +/-90 degree tilt and 30 cm vertical movement, and a 22 cm entrance diameter.

    • Main Results:

    • The system configuration enables 7-slice imaging capability.
    • The gantry's mobility and size allow for flexible positioning of various subjects, including small rodents and primates.
    • Initial evaluation of the system's physical performance was conducted.

    Conclusions:

    • The described PET system offers a flexible and capable platform for preclinical imaging research.
    • Its design accommodates a wide range of research subjects, enhancing its utility.
    • Further physical performance evaluation is essential for validating its applications.