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CAR Journal

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The CAR Journal is a peer-reviewed, Medline-indexed publication that presents a scientific review of radiology and Canada's oldest specialty society journal

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Posts by CAR Journal (@carjournal.bsky.social)

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Canadian radiologists value MDT rounds for collaboration but face significant challenges. 93.8% feel undercompensated, 60% deal with last-minute cases, and only 6.2% have dedicated prep time.

https://journals.sagepub.com/doi/full/10.1177/08465371251365205

27.02.2026 18:08 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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MRI-guided prostate biopsies show 59% accuracy in detecting significant cancer. Higher success rates (74%) seen with PI-RADS 5 scores, elevated PSA density & ultrasound-visible lesions. Small lesions (<7mm) less likely to be cancer.

https://journals.sagepub.com/doi/full/10.1177/08465371251365213

26.02.2026 20:02 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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A study of 421 parathyroid scans shows higher calcium levels strongly predict positive results. Findings suggest need for tailored biochemical criteria between primary & secondary hyperparathyroidism.

https://journals.sagepub.com/doi/full/10.1177/08465371251364714

24.02.2026 14:01 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Deep Learning-accelerated MRI matches or outperforms traditional pelvic scans while cutting scan time. Research shows superior image quality in most cases, better contrast ratio, and reduced artifacts.

https://journals.sagepub.com/doi/full/10.1177/08465371251357790

23.02.2026 21:55 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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New strategies aim to boost patient throughput despite limited resources, while calling for provincial & national policies to build sustainable radiology services for the future.
https://journals.sagepub.com/doi/full/10.1177/08465371251361082

20.02.2026 17:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Dual-energy CT is transforming pancreatic imaging: enhancing contrast, reducing artifacts, and optimizing radiation dose. This review highlights its impact across tumor detection, trauma, and pancreatitis care.
https://journals.sagepub.com/doi/full/10.1177/08465371251352840

18.02.2026 14:56 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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CTA overestimates MCA M1 vessel diameter compared to DSA in stroke patients undergoing EVT. This modest discrepancy could impact device choice in borderline casesβ€”radiologists should be aware.
https://journals.sagepub.com/doi/full/10.1177/08465371251356908

16.02.2026 19:54 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Checkpoint inhibitors have transformed cancer care but assessing response is tricky. Pseudo-progression can mislead traditional RECIST criteria. This review demystifies iRECIST, offering tools to better evaluate immunotherapy outcomes.

https://journals.sagepub.com/doi/full/10.1177/08465371251355866

13.02.2026 16:53 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Canadian Association of Radiologists Journal Subscription and open access journals from Sage, the world's leading independent academic publisher.

AI, sustainability, and efficiency took center stage in radiology in 2025.

The CARJ β€œYear in Review” highlights 10 impactful articles shaping the future of the fieldβ€”and our planet. How do we evolve with AI while reducing our footprint?
https://journals.sagepub.com/doi/abs/10.1177/08465371251360188

09.02.2026 14:55 β€” πŸ‘ 0    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Canadian Association of Radiologists Journal Subscription and open access journals from Sage, the world's leading independent academic publisher.

Interventional neuro-oncology is reshaping cancer care with minimally invasive, image-guided techniques for brain, spine, and head-neck tumors. From embolization to targeted drug delivery, this evolving field is pushing boundaries.
https://journals.sagepub.com/doi/abs/10.1177/08465371251340249

07.02.2026 16:52 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Canadian Association of Radiologists Journal Subscription and open access journals from Sage, the world's leading independent academic publisher.

New CT-based score improves prediction of overall survival in adrenocortical carcinoma. By combining tumor shape, size, and ENSAT stage, it outperforms ENSAT alone in stratifying patient prognosis.
https://journals.sagepub.com/doi/abs/10.1177/08465371251335170

06.02.2026 20:44 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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The reporting of O-RADS risk category increased from <5% to 88% over a 16-month period with a high level of agreement among readers in assigning O-RADS risk category.

https://journals.sagepub.com/doi/full/10.1177/08465371241301335

04.02.2026 16:35 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Canadian Association of Radiologists Journal - Volume 77, Number 1 Table of contents for Canadian Association of Radiologists Journal, 77, 1

The February 2026 issue now available online! The CARJ is free to access for all CAR members.

29.01.2026 15:35 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Quantitative Assessment of Computed Tomography Energy Use and Cost Savings Through Overnight and Weekend Power Down in a Radiology Department - Maura Brown, Eric Snelling, Moises De Alba, Ghazal Ebrah... Purpose: To assess energy and cost savings when a CT scanner is powered down during overnight non-operational times compared with the CT scanner left on full po...

Discover how CT power-downs can save energy and costs!

Read the award-winning article! #Radiology #EnergySavings

ow.ly/NwZ950XXgmX @carjournal.bsky.social

22.01.2026 10:41 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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MRI-guided prostate biopsies show 59% accuracy in detecting significant cancer. Higher success rates (74%) seen with PI-RADS 5 scores, elevated PSA density & ultrasound-visible lesions. Small lesions (<7mm) less likely to be cancer.

https://journals.sagepub.com/doi/full/10.1177/08465371251365213

26.01.2026 01:55 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Study of 421 parathyroid scans shows higher calcium levels strongly predict positive results. Male sex & younger age also linked. Findings suggest need for tailored biochemical criteria between primary & secondary hyperparathyroidism.

https://journals.sagepub.com/doi/full/10.1177/08465371251364714

24.01.2026 14:18 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Deep Learning-accelerated MRI matches or outperforms traditional pelvic scans while cutting scan time by 50%! Research shows superior image quality in most cases, better contrast ratio, and reduced artifacts.

https://journals.sagepub.com/doi/full/10.1177/08465371251357790

23.01.2026 18:51 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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New strategies aim to boost patient throughput despite limited resources, while calling for provincial & national policies to build sustainable radiology services for the future.

https://journals.sagepub.com/doi/full/10.1177/08465371251361082

23.01.2026 00:30 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Dual-energy CT is transforming pancreatic imaging: enhancing contrast, reducing artifacts, and optimizing radiation dose. This review highlights its impact across tumor detection, trauma, and pancreatitis care.

https://journals.sagepub.com/doi/full/10.1177/08465371251352840

22.01.2026 00:47 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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New in CARJ: CTA overestimates MCA M1 vessel diameter compared to DSA in stroke patients undergoing EVT. This modest discrepancy could impact device choice in borderline casesβ€”radiologists should be aware.

https://journals.sagepub.com/doi/full/10.1177/08465371251356908

21.01.2026 15:46 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Checkpoint inhibitors have transformed cancer care but assessing response is tricky. Pseudo-progression can mislead traditional RECIST criteria. This review demystifies iRECIST, offering tools to better evaluate immunotherapy outcomes.

https://journals.sagepub.com/doi/full/10.1177/08465371251355866

20.01.2026 21:44 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Nouveau jalon atteint par le CARJ pour le nombre total de soumissions - Canadian Association of Radiologists (CAR) Le Journal de la CAR (CARJ) a atteint un nouveau jalon cette année, terminant une année 2025 très réussie. Le CARJ avait reçu un record de 363 soumissions, le

Le CARJ a atteint un nouveau jalon cette annΓ©e, terminant une annΓ©e 2025 trΓ¨s rΓ©ussie. Le CARJ avait reΓ§u un record de 363 soumissions, le nombre total dΓ©finitif Γ©tant susceptible d’Γͺtre supΓ©rieur.

@caradiologists.bsky.social

10.01.2026 21:29 β€” πŸ‘ 1    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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New Benchmark for Total Submissions Reached by the CARJ - Canadian Association of Radiologists (CAR) The CAR Journal (CARJ) reached a new milestone this year, capping off a very successful 2025. In total, the CARJ received a record of 363 submissions.

The CARJ reached a new milestone this year, capping off a very successful 2025. In total, the CARJ received a record of 363 submissions.

@caradiologists.bsky.social

06.01.2026 15:53 β€” πŸ‘ 1    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
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CAR Journal Subscription and open access journals from Sage, the world's leading independent academic publisher.

Japan's medical imaging revolution covers it all: Upright CT scans, AI breast/gynecologic cancer detection, advanced abdominal imaging with photon-counting CT, brain waste clearance research (glymphatic system), & Large Language Models transforming diagnostics.

18.12.2025 19:06 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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The β€˜FLAIR motor’ signβ€”a loss of normal low signal in the precentral cortex on MRIβ€”shows 86% sensitivity & 100% specificity for detecting adult hypoxic-ischemic brain injury after cardiac arrest. A reliable tool for early diagnosis.

https://journals.sagepub.com/doi/full/10.1177/08465371251352699

17.12.2025 21:04 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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This review outlines the key imaging pitfalls in focal lesion detection and characterization due to diffuse liver disease and offers practical, evidence-based strategies to overcome them.
https://journals.sagepub.com/doi/full/10.1177/08465371251383887

16.12.2025 16:02 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Sage Journals: Discover world-class research Subscription and open access journals from Sage, the world's leading independent academic publisher.

Radiomics shows promise for early detection of aggressive pancreatic cancer (PDAC) by extracting detailed imaging data. But challenges like image variability slow clinical use. Overcoming these barriers is key to improving survival through timely diagnosis.

15.12.2025 15:00 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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AI tools often misrepresent radiologists vs. medical radiation technologistsβ€”showing bias in roles, gender, & race. 82% of MRTs depicted correctly vs. only 56% of radiologists.

https://journals.sagepub.com/doi/full/10.1177/08465371251350085

29.11.2025 16:26 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Breast MRI-guided biopsies of high T2 signal lesions found 20% malignancy, mainly DCIS & IDC. T2 hyperintensity alone isn’t enough to rule out cancerβ€”age, kinetics, and clinical context matter.

https://journals.sagepub.com/doi/full/10.1177/08465371251346137

27.11.2025 21:22 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Radiology decisions shape lives, but how often do we capture what patients feel and experience? Our review highlights why PROMs & are essential to bridge that gap, and how to make them work in radiology practice.

https://journals.sagepub.com/doi/full/10.1177/08465371251387572

27.11.2025 16:19 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0