CAR Journal
@carjournal.bsky.social
The CAR Journal is a peer-reviewed, Medline-indexed publication that presents a scientific review of radiology and Canada's oldest specialty society journal
Physicians in Canada are disproportionately concentrated in urban centers, with rural regions facing significant gaps in specialist care. The geo-spatial characteristics of IR in Canada have not been systematically studied.
https://journals.sagepub.com/doi/full/10.1177/08465371251385534
https://journals.sagepub.com/doi/full/10.1177/08465371251385534
November 18, 2025 at 6:00 PM
Physicians in Canada are disproportionately concentrated in urban centers, with rural regions facing significant gaps in specialist care. The geo-spatial characteristics of IR in Canada have not been systematically studied.
https://journals.sagepub.com/doi/full/10.1177/08465371251385534
https://journals.sagepub.com/doi/full/10.1177/08465371251385534
Prompted by new evidence and recent international guidelines, the Incidental Findings Working Group re-evaluated the literature and assessed both the 2022 SRU Consensus Recommendations and the 2022 joint European guidelines.
https://journals.sagepub.com/doi/full/10.1177/08465371251346728
https://journals.sagepub.com/doi/full/10.1177/08465371251346728
November 17, 2025 at 11:58 PM
Prompted by new evidence and recent international guidelines, the Incidental Findings Working Group re-evaluated the literature and assessed both the 2022 SRU Consensus Recommendations and the 2022 joint European guidelines.
https://journals.sagepub.com/doi/full/10.1177/08465371251346728
https://journals.sagepub.com/doi/full/10.1177/08465371251346728
Thanks to Dr. Richard Walker for providing an update on the latest guidelines and news from the CARJ at the Alberta Society of Radiologists annual event!
November 14, 2025 at 3:23 PM
Thanks to Dr. Richard Walker for providing an update on the latest guidelines and news from the CARJ at the Alberta Society of Radiologists annual event!
Breast imaging training in Canadian radiology shows wide variability. While all offer 4 months’ exposure, many lack multidisciplinary rounds and uniform assessments.
https://journals.sagepub.com/doi/full/10.1177/08465371251344246
https://journals.sagepub.com/doi/full/10.1177/08465371251344246
November 2, 2025 at 4:35 PM
Breast imaging training in Canadian radiology shows wide variability. While all offer 4 months’ exposure, many lack multidisciplinary rounds and uniform assessments.
https://journals.sagepub.com/doi/full/10.1177/08465371251344246
https://journals.sagepub.com/doi/full/10.1177/08465371251344246
Nearly half of lower extremity CTAs were done on trauma patients with normal exams—none needed intervention. Hard signs of vascular injury strongly predict positive CTAs. Using tailored criteria can cut costs and reduce ER wait times.
https://journals.sagepub.com/doi/full/10.1177/08465371251342064
https://journals.sagepub.com/doi/full/10.1177/08465371251342064
November 1, 2025 at 4:33 PM
Nearly half of lower extremity CTAs were done on trauma patients with normal exams—none needed intervention. Hard signs of vascular injury strongly predict positive CTAs. Using tailored criteria can cut costs and reduce ER wait times.
https://journals.sagepub.com/doi/full/10.1177/08465371251342064
https://journals.sagepub.com/doi/full/10.1177/08465371251342064
Sustainability in radiology QI projects boosts patient care while protecting the planet. The SusQI model balances environmental, social & economic factors, creating a triple win.
https://journals.sagepub.com/doi/full/10.1177/08465371251340243
https://journals.sagepub.com/doi/full/10.1177/08465371251340243
October 30, 2025 at 2:27 PM
Sustainability in radiology QI projects boosts patient care while protecting the planet. The SusQI model balances environmental, social & economic factors, creating a triple win.
https://journals.sagepub.com/doi/full/10.1177/08465371251340243
https://journals.sagepub.com/doi/full/10.1177/08465371251340243
New recommendations aim to reduce MRI overuse for shoulder, hip, and knee conditions. Developed through expert consensus using the latest CAR guidelines, they promote value-based radiology and healthcare resource stewardship.
https://journals.sagepub.com/doi/full/10.1177/08465371251339389
https://journals.sagepub.com/doi/full/10.1177/08465371251339389
October 29, 2025 at 7:22 PM
New recommendations aim to reduce MRI overuse for shoulder, hip, and knee conditions. Developed through expert consensus using the latest CAR guidelines, they promote value-based radiology and healthcare resource stewardship.
https://journals.sagepub.com/doi/full/10.1177/08465371251339389
https://journals.sagepub.com/doi/full/10.1177/08465371251339389
Bariatric surgery is on the rise—radiologists must recognize normal post-op anatomy and complications. This review covers key imaging features across common and uncommon procedures to aid early diagnosis.
https://journals.sagepub.com/doi/full/10.1177/08465371251336977
https://journals.sagepub.com/doi/full/10.1177/08465371251336977
October 28, 2025 at 10:19 PM
Bariatric surgery is on the rise—radiologists must recognize normal post-op anatomy and complications. This review covers key imaging features across common and uncommon procedures to aid early diagnosis.
https://journals.sagepub.com/doi/full/10.1177/08465371251336977
https://journals.sagepub.com/doi/full/10.1177/08465371251336977
In a prospective cohort without known CVD undergoing mammography, notification of BAC and CAC status prompted high follow-up rates with PCPs and lifestyle modifications.
https://journals.sagepub.com/doi/full/10.1177/08465371251337022
https://journals.sagepub.com/doi/full/10.1177/08465371251337022
October 18, 2025 at 6:46 PM
In a prospective cohort without known CVD undergoing mammography, notification of BAC and CAC status prompted high follow-up rates with PCPs and lifestyle modifications.
https://journals.sagepub.com/doi/full/10.1177/08465371251337022
https://journals.sagepub.com/doi/full/10.1177/08465371251337022
18F-FDG PET/CT is highly effective in detecting immune-related adverse events (IRAEs) in metastatic melanoma patients undergoing immunotherapy. It identified 92% of IRAEs, including 33% not suspected clinically, making it a valuable tool in managing adverse effects.
🔗 https://bit.ly/47aH5u7
🔗 https://bit.ly/47aH5u7
October 17, 2025 at 3:43 PM
18F-FDG PET/CT is highly effective in detecting immune-related adverse events (IRAEs) in metastatic melanoma patients undergoing immunotherapy. It identified 92% of IRAEs, including 33% not suspected clinically, making it a valuable tool in managing adverse effects.
🔗 https://bit.ly/47aH5u7
🔗 https://bit.ly/47aH5u7
Chronic pelvic pain affects 26% of women, with pelvic venous disorders (PeVD) often overlooked. Advanced imaging like Doppler US, CT, and MR venography help diagnose PeVD early. Raising awareness and teamwork among specialists is key to better care.
🔗 https://bit.ly/4hawS5v
🔗 https://bit.ly/4hawS5v
October 16, 2025 at 11:41 PM
Chronic pelvic pain affects 26% of women, with pelvic venous disorders (PeVD) often overlooked. Advanced imaging like Doppler US, CT, and MR venography help diagnose PeVD early. Raising awareness and teamwork among specialists is key to better care.
🔗 https://bit.ly/4hawS5v
🔗 https://bit.ly/4hawS5v
🌍 MRI can consume up to 60 kWh/scan—making imaging a major environmental concern. From AI-driven efficiency to wastewater contrast separation, radiology must go green. Time to balance diagnostic power with planetary health.
🔗 https://journals.sagepub.com/doi/full/10.1177/08465371251327143
🔗 https://journals.sagepub.com/doi/full/10.1177/08465371251327143
October 9, 2025 at 10:31 PM
🌍 MRI can consume up to 60 kWh/scan—making imaging a major environmental concern. From AI-driven efficiency to wastewater contrast separation, radiology must go green. Time to balance diagnostic power with planetary health.
🔗 https://journals.sagepub.com/doi/full/10.1177/08465371251327143
🔗 https://journals.sagepub.com/doi/full/10.1177/08465371251327143
🍼 Ultrasound is a safe, effective tool for evaluating the neonatal spine—ideal for detecting anomalies like tethered cord, syringomyelia, and more. This review highlights indications, techniques, and anatomy to guide early diagnosis.
https://journals.sagepub.com/doi/full/10.1177/08465371251327867
https://journals.sagepub.com/doi/full/10.1177/08465371251327867
October 8, 2025 at 3:35 PM
🍼 Ultrasound is a safe, effective tool for evaluating the neonatal spine—ideal for detecting anomalies like tethered cord, syringomyelia, and more. This review highlights indications, techniques, and anatomy to guide early diagnosis.
https://journals.sagepub.com/doi/full/10.1177/08465371251327867
https://journals.sagepub.com/doi/full/10.1177/08465371251327867
🌱 Interventional radiology is resource-intensive—but there's room to go green. From cutting energy use to reducing waste, this review highlights practical steps IR can take toward sustainability.
🔗 https://journals.sagepub.com/doi/full/10.1177/08465371251326793
🔗 https://journals.sagepub.com/doi/full/10.1177/08465371251326793
October 6, 2025 at 7:32 PM
🌱 Interventional radiology is resource-intensive—but there's room to go green. From cutting energy use to reducing waste, this review highlights practical steps IR can take toward sustainability.
🔗 https://journals.sagepub.com/doi/full/10.1177/08465371251326793
🔗 https://journals.sagepub.com/doi/full/10.1177/08465371251326793
🧠 A GTA survey shows physicians prefer structured over free-text radiology reports—especially for CTA Head & Neck. But some still value free-text flexibility. Time to develop reporting guidelines to boost clarity & care.
https://journals.sagepub.com/doi/full/10.1177/08465371251328260
https://journals.sagepub.com/doi/full/10.1177/08465371251328260
October 5, 2025 at 2:28 PM
🧠 A GTA survey shows physicians prefer structured over free-text radiology reports—especially for CTA Head & Neck. But some still value free-text flexibility. Time to develop reporting guidelines to boost clarity & care.
https://journals.sagepub.com/doi/full/10.1177/08465371251328260
https://journals.sagepub.com/doi/full/10.1177/08465371251328260
📊 Adherence to STARD 2015 in diagnostic accuracy imaging studies has improved—from 55% in 2016 to 61% in 2024—but reporting remains incomplete.
https://journals.sagepub.com/doi/full/10.1177/08465371251324090
https://journals.sagepub.com/doi/full/10.1177/08465371251324090
October 2, 2025 at 10:29 PM
📊 Adherence to STARD 2015 in diagnostic accuracy imaging studies has improved—from 55% in 2016 to 61% in 2024—but reporting remains incomplete.
https://journals.sagepub.com/doi/full/10.1177/08465371251324090
https://journals.sagepub.com/doi/full/10.1177/08465371251324090
Radiology contributes up to 1% of global GHG emissions. As imaging demand rises, so must our commitment to sustainability. Planetary health must guide how we image, lead, and adapt. It’s time for climate-conscious radiology. 🌍💡
https://journals.sagepub.com/doi/full/10.1177/08465371251322733
https://journals.sagepub.com/doi/full/10.1177/08465371251322733
September 30, 2025 at 1:27 PM
Radiology contributes up to 1% of global GHG emissions. As imaging demand rises, so must our commitment to sustainability. Planetary health must guide how we image, lead, and adapt. It’s time for climate-conscious radiology. 🌍💡
https://journals.sagepub.com/doi/full/10.1177/08465371251322733
https://journals.sagepub.com/doi/full/10.1177/08465371251322733
🌍 Climate change is the defining challenge of our time. Rising temps threaten health & healthcare systems. Radiology can play a vital role in understanding & responding to climate impacts while striving for sustainable care delivery.
https://journals.sagepub.com/doi/full/10.1177/08465371251322762
https://journals.sagepub.com/doi/full/10.1177/08465371251322762
September 27, 2025 at 6:23 PM
🌍 Climate change is the defining challenge of our time. Rising temps threaten health & healthcare systems. Radiology can play a vital role in understanding & responding to climate impacts while striving for sustainable care delivery.
https://journals.sagepub.com/doi/full/10.1177/08465371251322762
https://journals.sagepub.com/doi/full/10.1177/08465371251322762
LLMs with RAG boost adherence to Canadian radiology guidelines for incidental hepatobiliary findings, improving accuracy (up to 97%) without slowing response times. RAG shows promise for enhancing evidence-based clinical decisions.
https://journals.sagepub.com/doi/full/10.1177/08465371251323124
https://journals.sagepub.com/doi/full/10.1177/08465371251323124
September 25, 2025 at 2:19 PM
LLMs with RAG boost adherence to Canadian radiology guidelines for incidental hepatobiliary findings, improving accuracy (up to 97%) without slowing response times. RAG shows promise for enhancing evidence-based clinical decisions.
https://journals.sagepub.com/doi/full/10.1177/08465371251323124
https://journals.sagepub.com/doi/full/10.1177/08465371251323124
This review explores how to make oncologic imaging more sustainable: reduce low-value scans, cut waste, optimize AI use, and lower travel emissions—all while keeping patient outcomes front and center. ♻️🩻
https://journals.sagepub.com/doi/full/10.1177/08465371251323107
https://journals.sagepub.com/doi/full/10.1177/08465371251323107
September 24, 2025 at 7:17 PM
This review explores how to make oncologic imaging more sustainable: reduce low-value scans, cut waste, optimize AI use, and lower travel emissions—all while keeping patient outcomes front and center. ♻️🩻
https://journals.sagepub.com/doi/full/10.1177/08465371251323107
https://journals.sagepub.com/doi/full/10.1177/08465371251323107
An AI tool predicting ED disposition in CAP patients via chest X-rays showed consistent performance in retrospective & prospective validation (AUC 67%).
https://journals.sagepub.com/doi/full/10.1177/08465371251320938
https://journals.sagepub.com/doi/full/10.1177/08465371251320938
September 19, 2025 at 4:38 PM
An AI tool predicting ED disposition in CAP patients via chest X-rays showed consistent performance in retrospective & prospective validation (AUC 67%).
https://journals.sagepub.com/doi/full/10.1177/08465371251320938
https://journals.sagepub.com/doi/full/10.1177/08465371251320938
The purpose of this study was to confirm the association of a pre-biopsy PET/CT scan with a higher diagnostic rate for CT-guided lung biopsy, assess the association with post-biopsy complications, and identify alternate safer sites.
https://journals.sagepub.com/doi/full/10.1177/08465371241306731
https://journals.sagepub.com/doi/full/10.1177/08465371241306731
September 18, 2025 at 1:35 PM
The purpose of this study was to confirm the association of a pre-biopsy PET/CT scan with a higher diagnostic rate for CT-guided lung biopsy, assess the association with post-biopsy complications, and identify alternate safer sites.
https://journals.sagepub.com/doi/full/10.1177/08465371241306731
https://journals.sagepub.com/doi/full/10.1177/08465371241306731
Neurosonography is essential for rapid evaluation of neonatal brain pathologies. This review emphasizes its clinical applications in pediatric care, from identifying scalp lesions to detecting cerebrovascular abnormalities. 🧠🍼
https://journals.sagepub.com/doi/full/10.1177/08465371241308849
https://journals.sagepub.com/doi/full/10.1177/08465371241308849
September 16, 2025 at 10:25 PM
Neurosonography is essential for rapid evaluation of neonatal brain pathologies. This review emphasizes its clinical applications in pediatric care, from identifying scalp lesions to detecting cerebrovascular abnormalities. 🧠🍼
https://journals.sagepub.com/doi/full/10.1177/08465371241308849
https://journals.sagepub.com/doi/full/10.1177/08465371241308849
The Osteoporosis Canada clinical practice guideline was updated in 2023. This review discusses the FRAXTM risk calculation tool, and how transition to FRAX-based reporting can be accommodated in a radiology workflow.
https://journals.sagepub.com/doi/full/10.1177/08465371241307945
https://journals.sagepub.com/doi/full/10.1177/08465371241307945
September 14, 2025 at 3:23 PM
The Osteoporosis Canada clinical practice guideline was updated in 2023. This review discusses the FRAXTM risk calculation tool, and how transition to FRAX-based reporting can be accommodated in a radiology workflow.
https://journals.sagepub.com/doi/full/10.1177/08465371241307945
https://journals.sagepub.com/doi/full/10.1177/08465371241307945
In jurisdictions where 2-D mammography is used for screening and surveillance, and where access to supplemental screening is limited, ultrasound can play a significant role for women with categories c and d densities with a high ICDR.
https://journals.sagepub.com/doi/full/10.1177/08465371251318578
https://journals.sagepub.com/doi/full/10.1177/08465371251318578
September 12, 2025 at 8:21 PM
In jurisdictions where 2-D mammography is used for screening and surveillance, and where access to supplemental screening is limited, ultrasound can play a significant role for women with categories c and d densities with a high ICDR.
https://journals.sagepub.com/doi/full/10.1177/08465371251318578
https://journals.sagepub.com/doi/full/10.1177/08465371251318578