Innovations in Instrumentation for Positron Emission Tomography

Area of Science:

• Biomedical imaging
• Medical physics
• Radiochemistry

Background:

• Positron Emission Tomography (PET) scanners are sensitive biomedical devices for quantitative radiotracer imaging.
• Hybrid PET systems integrate with CT or MRI for combined molecular and anatomical data.
• Despite advancements, significant performance improvements in PET systems are still needed for clinical and research applications.

Purpose of the Study:

• To review the current state of PET instrumentation, detectors, and systems.
• To identify major limitations in current PET practices.
• To highlight emerging technological innovations impacting PET imaging.

Main Methods:

• Review of state-of-the-art PET instrumentation, detectors, and system designs.
• Analysis of current limitations in PET imaging.
• Discussion of recent and emerging technological innovations.

Main Results:

• Opportunities exist for major improvements in PET system performance.
• Focus on technical aspects: detectors and system design are key areas for advancement.
• Emerging innovations aim to enhance PET imaging closer to physical limits.

Conclusions:

• Technical innovations in PET detectors and system design are essential for improved diagnostic and research capabilities.
• Future PET systems should strive to approach physical performance limits while considering imaging time, radiation dose, and cost.
• Advancements in reconstruction, radiotracer development, and applications are also vital for the field's future.