This guideline presents Part III of the @caradiologists.bsky.social Practice Guidelines on Breast Imaging and Intervention and focuses on breast ultrasound. Recommendations address the diagnostic, supplemental screening, and interventional roles of ultrasound. 🔗 https://bit.ly/4annOYE

This guideline presents Part II of the @caradiologists.bsky.social Practice Guidelines on Breast Imaging and Intervention and addresses the clinical application of contrast-enhanced mammography (CEM). Read 📒 https://bit.ly/3QwzwJL Also in Clinical Companion 📱 https://bit.ly/4x6tK1U

Part I of the @caradiologists.bsky.social Practice Guidelines on Breast Imaging and Intervention and focuses on mammography and digital breast tomosynthesis (DBT) ⬇️ https://bit.ly/4ugxGdK

A systematic review and meta-analysis were performed to assess the diagnostic accuracy of MRI for paediatric appendicitis and its role in reducing negative appendicectomy rates (NAR). https://journals.sagepub.com/doi/10.1177/08465371251409633

🚨 GUIDELINE ALERT 🚨 The @caradiologists.bsky.social Practice Guidelines for Breast Imaging and Intervention are now available online! This 5-part series offers recommendations for different modalities of breast imaging and intervention. ⬇️

We compared examination time, image quality, and lesion detection rates between pancreaticobiliary rFOV T2WI with and without DLR. https://journals.sagepub.com/doi/10.1177/08465371251407889

NOW PUBLISHED 📝 @caradiologists.bsky.social/BRC Recommendations for the Management of Axillary Lymphadenopathy Following COVID-19 Vaccination car.ca/wp-content/u...

Despite their characteristic features such as microcystic or honeycomb appearance, central scar, or lobulated margins, SCAs can display a range of morphologies, complicating their diagnosis and leading to potential confusion with premalignant or malignant lesions. https://bit.ly/4uAz8sk

Call is among the most challenging aspects of radiology residency, fostering both knowledge development and decision-making under pressure. This study explores the perceptions of resident call across Canadian radiology programs. https://journals.sagepub.com/doi/10.1177/08465371251407871

This study introduces a semi-supervised deep learning (DL) model to automate BAC severity grading, enhance cross-system generalizability, and align with clinical consensus. https://journals.sagepub.com/doi/10.1177/08465371251400538

Contrast-Enhanced Mammography (CEM) improves detection & characterization of invasive lobular cancer (ILC) compared to conventional methods. Radiologists must be familiar with ILC on CEM to facilitate accurate interpretation. https://journals.sagepub.com/doi/10.1177/08465371251398520

Change management research provides a practical vocabulary and set of concepts that can help radiology leaders design and sequence change more effectively. https://journals.sagepub.com/doi/10.1177/08465371251403918

We’ve taken the @caradiologists.bsky.social Clinical Practice Guidelines you trust and transformed them into a high-speed tool for your workstation and smartphone. 📱

Thanks to everyone on the CARJ Editorial Board for their incredible dedication 📑 @caradiologists.bsky.social

This study aimed to evaluate whether virtual reality (VR) simulations could familiarize children with the MRI experience to enable awake scans without anesthesia. https://journals.sagepub.com/doi/10.1177/08465371251398724

Interest in MMA embolization is rapidly accelerating across both public and academic domains. https://journals.sagepub.com/doi/abs/10.1177/08465371251390860

This study aimed to evaluate the ability of Rho to prospectively identify patients at-risk for low bone mineral density (BMD) from standard x-rays, its adoption rate by radiologists, and acceptance by primary care providers (PCPs). https://journals.sagepub.com/doi/full/10.1177/08465371251380240

Burnout rates are high among radiology residents. Top factors driving burnout include time, extra duties, and perceived lack of knowledge. A multi-faceted approach in burnout interventions was applied within a large Canadian residency program. https://bit.ly/3PiNZIw

Abbreviated HCC surveillance MRIs cut scan time, energy use, and carbon emissions by 60%, but scheduling complexities precluded increased MRI appointments. https://journals.sagepub.com/doi/full/10.1177/08465371251371567

Domain shift continues to be a problem for deep learning MRI prostate cancer segmentation models even when trained on over 1000 exams spanning three institutions. Incorporation of local data remains critical for optimal performance. https://journals.sagepub.com/doi/full/10.1177/08465371251367620

Selon une enquête nationale mesurant les perceptions des gardes des résidents, ce sont quelques-unes des expériences les plus couramment citées par les résidents en radiologie de garde. @caradiologists.bsky.social

High call volumes and limited rest. Challenging interactions with referring physicians. Lower satisfaction. According to a national survey measuring the perceptions of resident call, these are some of the most common cited experiences of radiology residents on call. @caradiologists.bsky.social

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

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

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

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

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

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

CTA overestimates MCA M1 vessel diameter compared to DSA in stroke patients undergoing EVT. This modest discrepancy could impact device choice in borderline cases—radiologists should be aware. https://journals.sagepub.com/doi/full/10.1177/08465371251356908

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

AI, sustainability, and efficiency took center stage in radiology in 2025. The CARJ “Year in Review” highlights 10 impactful articles shaping the future of the field—and our planet. How do we evolve with AI while reducing our footprint? https://journals.sagepub.com/doi/abs/10.1177/08465371251360188

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

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

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

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

Discover how CT power-downs can save energy and costs! Read the award-winning article! #Radiology #EnergySavings ow.ly/NwZ950XXgmX @carjournal.bsky.social

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

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

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

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

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

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 cases—radiologists should be aware. https://journals.sagepub.com/doi/full/10.1177/08465371251356908

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

Le CARJ a atteint un nouveau jalon cette année, terminant une année 2025 très réussie. Le CARJ avait reçu un record de 363 soumissions, le nombre total définitif étant susceptible d’être supérieur. @caradiologists.bsky.social

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

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.

The ‘FLAIR motor’ sign—a loss of normal low signal in the precentral cortex on MRI—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

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

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.

AI tools often misrepresent radiologists vs. medical radiation technologists—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