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Instrumentation for positron emission tomography: tomographs and data processing and display systems
1Division of Nuclear Medicine, University of Michigan, Ann Arbor 48109.
Seminars in Nuclear Medicine
|July 1, 1992
Summary
Positron emission tomography (PET) has advanced significantly, moving from research to clinical use with improved scanner technology and data analysis. Future progress in PET imaging relies on efficiently managing large datasets from advanced scanners.
Area of Science:
- Medical Imaging Technology
- Nuclear Medicine
Background:
- Positron Emission Tomography (PET) has transitioned from a research tool to widespread clinical application.
- Over 100 institutions globally now utilize PET for both research and clinical studies.
Purpose of the Study:
- To review the technological advancements in PET instrumentation and data analysis over the past 10-15 years.
- To highlight the evolution of PET scanners and their impact on imaging capabilities.
Main Methods:
- Review of historical and current PET scanner specifications, including detector count, slices imaged, and resolution.
- Analysis of advancements in detector technology and image processing capabilities.
- Examination of the evolution of image display and data analysis systems.
Main Results:
- PET scanners have evolved from single-slice prototypes to multi-slice instruments with significantly improved resolution (from >2.0 cm to <5 mm FWHM).
- Detector technology has advanced with new designs and materials, enhancing imaging performance.
- Image analysis systems have progressed from basic displays to high-resolution systems with substantial processing power.
Conclusions:
- Significant technological progress has been made in PET instrumentation and data analysis.
- Continued advancements in handling large datasets are essential for the future development of PET imaging.