Motion-Tracking Hardware and Advanced Applications in PET and PET/CT

Area of Science:

• Medical Imaging
• Biophysics

Background:

• Respiratory and cardiac motions degrade PET and CT image quality.
• Accurate quantitative analysis in PET/CT is hindered by motion artifacts.

Purpose of the Study:

• To review hardware for respiratory and cardiac gating in PET and PET/CT.
• To compare motion-tracking devices for various movements.
• To analyze advanced applications of gating technology in PET/CT.

Main Methods:

• Description of hardware for respiratory and cardiac gating.
• Comparison of motion-tracking devices for respiratory, cardiac, and multidimensional movements.
• Analysis of advanced applications enabled by gating in PET/CT.

Main Results:

• Gating technology requires specific hardware for motion compensation.
• Various devices exist for tracking respiratory, cardiac, and complex movements.
• Gating enables advanced applications, enhancing PET/CT utility.

Conclusions:

• Motion compensation using gating is crucial for PET and CT image quality.
• A range of hardware and tracking devices are available for gating.
• Gating technology significantly advances PET/CT imaging capabilities.