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PET/CT acceptance testing and quality assurance: Executive summary of AAPM Task Group 126 Report
Benjamin P Lopez1,2, David W Jordan3, Brad J Kemp4
1Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
Medical Physics
|December 15, 2020
Summary
This study presents a simplified quality assurance (QA) program for Positron Emission Tomography/Computed Tomography (PET/CT) systems. It enables consistent performance evaluation using common tools, ensuring optimal patient imaging and care.
Area of Science:
- Medical Physics
- Radiology
- Nuclear Medicine
Background:
- Positron Emission Tomography/Computed Tomography (PET/CT) systems require robust quality assurance (QA) programs.
- Ensuring optimal patient imaging and care necessitates standardized QA procedures.
Purpose of the Study:
- To summarize the American Association of Physicists in Medicine (AAPM) Task Group (TG) 126 report.
- To provide guidelines for acceptance and QA testing of PET/CT systems.
Main Methods:
- Developed standardized PET/CT acceptance testing and QA procedures.
- Focused on short-axis cylindrical-bore PET/CT systems.
- Aimed for NEMA NU 2 standards compliance without specialized phantoms or software.
Main Results:
- Outlined eight performance evaluations using common phantoms and free software.
- Clinical physicists can monitor PET/CT systems by comparing follow-up to baseline measurements.
- Provided testing time, materials, and pass/fail criteria for each evaluation.
Conclusions:
- Offers a simplified guideline for periodic PET/CT system evaluations.
- Facilitates performance comparisons across vendors, models, and institutions.
- Simplifies procedures compared to other agency requirements.
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