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CAR - The Canadian Association of Radiologists
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CAR - Canadian Association of Radiologists

The Canadian Association of Radiologists is the national specialty association for radiologists, dedicated to medical imaging excellence in patient care

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You are here: Home / Patient Care / Practice Guidelines

Practice Guidelines

In keeping with our mission to promote safe, efficient and quality healthcare for Canadians, the Canadian Association of Radiologists works closely with recognized experts and other professional bodies to develop national standards and guidelines. Our goal is to ensure the optimal procedure is done in the optimal way so that Canadians can benefit fully from diagnostic imaging and from the skills and expertise of radiologists.

National Practice Guidelines

The CAR’s evidence‐based practice guidelines define the principles of practice that will obtain the best radiological result. Serving as guidelines for healthcare professionals and industry, CAR practice guidelines promote high quality care for diagnosis and treatment.

TitleYearTopic
CAR/CSTR Practice Guideline on CT Screening for Lung Cancer2025Chest
CAR Practice Guidelines on Breast Imaging and Interventions2025Breast
CAR Practice Guideline on Bone Mineral Densitometry Reporting: 2024 Update2025MSK
CAR/CSACI Practice Guidance for Contrast Media Hypersensitivity2025Contrast
CAR/CSAR Practice Statement on Pelvic MRI for Endometriosis2025Abdominal
CETARS/CAR Practice Guidelines on Imaging the Pregnant Trauma Patient2024Emergency/
Trauma
CAR/CETARS/CSAR Practice Guideline on Imaging the Adult Patient With Right Lower Quadrant Pain2024Abdominal
CAR and CSTR Cardiac Computed Tomography (CT) Practice Guidelines: Part 1 Coronary CT Angiography (CCTA)2024Chest
CAR and CSTR Cardiac Computed Tomography (CT) Practice Guidelines: Part 2-Non-Coronary Imaging2024Chest
CAR Practice Guidelines for Computed Tomography Colonography 2023AbdominalSupplemental Materials
CAR Practice Statement on Advanced Pelvic Ultrasound for Endometriosis 2023AbdominalSupplemental Materials
Recommendations for the Management of Incidental Musculoskeletal Findings on MRI and CT2023MSKSupplemental Materials
Guidelines on Thoracic Interventions2022ChestSupplemental Materials
Prostate MRI White Paper2022MRI
Guidance on Contrast-Associated Acute Kidney Injury2022Contrast
Investigation of Acute Pulmonary Embolism, Part 1: Acquisition and Safety Considerations2021Chest
Investigation of Acute Pulmonary Embolism, Part 2: Technical Issues and Interpretation Pitfalls2021Chest
Non-Vascular Thoracic MRI2021Chest
Recommendations for the Management of Incidental Pancreatic Findings in Adults 2021GI
Safe Use of MRI During Pregnancy2021OB/GYN
Recommendations for the Management of Incidental Hepatobiliary Findings in Adults 2020GI
Gadolinium-Based Contrast Agents in Kidney Disease 2019Contrast
Recommendations for the Management of the Incidental Renal Mass in Adults 2019GU
Gadolinium Deposition in the Brain: A Systematic Review of Existing Guidelines and Policy Statement 2018Contrast
Breast Imaging and Intervention2016Breast
Technical Standards for Bone Mineral Densitometry Reporting2013MSK
Ultrasound – Prostate and Surrounding Structures 2013GU
Magnetic Resonance Imaging2011MRI
Compression in Digital Imaging 2011QI
Ultrasound - Scrotum 2011GU
Ultrasound - Thyroid and Parathyroid2011Head and Neck
Communication of Diagnostic Imaging Findings2010QI
Ultrasound - Performing Diagnostic Obstetric Ultrasound Examinations 2010OB/GYN

Archived National Practice Guidelines

TitleYearTopic
Prevention of Contrast Induced Nephropathy 2012Contrast
CT Colonography Standards2010GI
Cardiac Computed Tomography 2009Chest
Consensus Training Standards for Cardiac CT2009Chest

The practice guidelines of the Canadian Association of Radiologists (CAR) are not rules, but are guiding principles that attempt to define codes of practice that should generally produce optimal radiological care.

The physician and medical high-quality physicist may modify an existing practice guideline as determined by the individual patient and available resources. Adherence to CAR practice guidelines will not assure a successful outcome in every situation.

The practice guidelines should not be deemed inclusive of all proper methods of care or exclusive of other methods of care reasonably directed to obtaining the same results.

The practice guidelines are not intended to establish a legal standard of care or conduct, and deviation from a practice guideline does not, in and of itself, indicate or imply that such medical practice is below an acceptable level of care.

The ultimate judgment regarding the propriety of any specific procedure or course of conduct must be made by the physician and medical physicist in light of all circumstances presented by the individual situation.

CAR practice guidelines are created by experts in the field and solicit member feedback prior to adoption.

If you’re looking for something that isn’t here, we’d love your suggestions! What practice guidelines would you find most beneficial to you in your practice? All suggestions will be presented to, and considered by, the Practice Guidelines Working Group. To forward your feedback, please contact us.

Interventional Radiology

The clinical practice guidelines of the Canadian Interventional Radiology Association can be accessed by clicking here.

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