AJR Podcasts

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.27289   Rosalind Gerson, PGY3, discusses a study that compared the diagnostic performance of stress myocardial perfusion imaging (MPI) and CT Angiography with AI-Quantitative CT (CTA + AI-QCT) in detecting obstructive coronary artery stenosis, with invasive angiography serving as the reference standard. CTA + AI-QCT demonstrated better...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.22.27675   The key step in the creation of a transjugular intrahepatic portosystemic shunt (TIPS) is the needle puncture from a hepatic vein to a portal vein. This can be challenging in patients with portal vein thrombosis, where the portal vein is poorly visualized. Liwei Jiang, MD, discusses a feasibility study that employs a previously...

Full article: https://www.ajronline.org/doi/full/10.2214/AJR.21.27255   Radiation safety is important, particularly in pediatric imaging. Viet Le, MD discusses an article that demonstrates how a deep learning-based algorithm reduces radiation dose in pediatric CTs compared to current techniques without loss of image quality.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.27274   Ground-level fall is a common injury in older patients and a frequent cause of ED visits. These low impact falls may lead to intracranial hemorrhage, which is a particular concern in patients on antithrombotic therapy. In this episode, Sara Tedla MD, discusses a recently published study in AJR, which evaluates traumatic intracr...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.22.27595   Lung cancer screening and the use of Lung-RADS is becoming more prevalent. Gregory Michael Lee, MD discusses an article on applying strategies that better identify benign intrapulmonary lymph nodes and using volumetric-based measurements result in improved specificity without loss in sensitivity, as compared to Lung-RADS versio...

Full article: https://www.ajronline.org/doi/full/10.2214/AJR.21.27195 We are moving towards patient-centered care and thus, it is important to listen to patients' feedback. Hyunjoong William Kim discusses an article that evaluated the role of an individual hospital's effort to make the provider reviews from patients transparent and public on its website; specifically, it looked at if there were an...

Full article: https://www.ajronline.org/doi/full/10.2214/AJR.21.27161 Management of nonmalignant architectural distortion on DBT remains controversial. Alexandra Millet, MD discusses study results suggesting that imaging surveillance rather than surgery can be considered for architectural distortion on DBT yielding radial scar without atypia or other concordant benign pathologies without atypia.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.27234   Rosalind Gerson, PGY3, discusses a recent  AJR article that assessed inter-observer agreement for multiple qualitative and quantitative findings in chronic pediatric pancreatitis, finding fair or moderate agreement for most qualitative features, and good inter-rater agreement for pancreatic duct diameter on both MR and CT. 

Full article: https://www.ajronline.org/doi/10.2214/AJR.21.27301   Several prognostic scores have been applied for predicting survival after transjugular intrahepatic portosystemic shunt (TIPS) placement to guide patient selection. In this episode, John Do, MD speaks with TIPS expert Dr. Jonas Redmond, interventional radiologist and associate professor at the University of California San Diego, to...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.27147   Early diagnosis and treatment of pulmonary hypertension are crucial to prevent chronic progression and a poor prognosis. The nonspecific presenting symptoms and need for right heart catheterization may contribute to a delay in diagnosis. In this episode, Sara Tedla MD, discusses a recently published study in AJR , which evaluat...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.27135   Wenhui Zhou, MD, PhD reviews a recent AJR article examining the diagnostic performance of six different imaging modalities in the detection of sporadic pheochromocytoma, and the science behind several radiotracers used in the detection of pheochromocytoma. This study incentivizes the use of automated MR Elastography to screen f...

Full article: https://www.ajronline.org/doi/10.2214/AJR.21.27129   Xiaochen D. Liu, MD discusses an article that assesses the utility of preoperative shear wave elastography measurements of the supraspinatus muscle to predict successful rotator cuff repair, including comparison with MRI-based measures.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26935   Ragheed Al-Dulaimi, MD discusses an AJR article that assesses utility of second-largest lesion size on parathyroid CT for differentiating single-gland disease from multigland disease.

Full article: https://www.ajronline.org/doi/10.2214/AJR.21.26806   Post-embolization syndrome (abdominal pain, nausea, emesis, and fever) is the most common adverse effect of liver embolotherapy and is the primary reason for post-procedure hospitalization. Liwei Jiang, MD, discusses a new study that links cirrhosis with the severity of post-embolization syndrome after bland hepatic artery emboliza...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26674   Viet Le, MD discusses the utility of additional whole-spine MRI in children with suspected abusive head trauma. Clinical providers, including radiologists, may find diagnostic value to consider incorporating whole-spine MRI in cases of possible abusive head trauma as many spinal injuries are localized to the thoracolumbar spine...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26930   In this episode, Shambo Guha Roy, MD discusses an article in which the authors tried to standardize epicardial adipose attenuation and fat attenuation index, on the newest generation photon counting CT.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26735   Lara Gabrielle L Lim, MD discusses multiple factors that affect the ultrasound LI-RADS visualization score, such as examination, sonographer and radiologist characteristics. Awareness of these factors are opportunities for improved practices and quality assurance measures.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26777   Wenhui Zhou, MD, PhD reviews a recent AJR article examining the feasibility of 1.5-T and 3-T MRI to detect a novel marker for smoldering multiple sclerosis and histopathological correlate of this MR marker. This study supports the widespread utilization of 1.5-T MRI to further explore the clinical utility of a novel MR marker i...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26847   Alexandra Millet, MD discusses a study that compares imaging characteristics of false-positive and true-positive findings on CEDM. The conclusions include that a low-energy mammographic finding with associated enhancement, or a finding with sonographic or MRI correlate, predicts a true-positive result. Calcifications with assoc...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26569   In this episode, Rosalind Gerson, PGY3 discusses a new study showing similar rates of clinically significant prostate cancer found on systematic biopsy performed after negative biparametric vs multiparametric MRI. In patients from either MRI cohort, specified PSA density thresholds had similarly high negative predictive values...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26543   Imaging in the emergency department has continued to increase over the years with the growth of head and neck CTA disproportionately higher than other neuroimaging. In this episode, Sara Tedla MD, discusses a recently published study in AJR , which characterizes utilization of head and neck CTA in the ED, and frequency of non-r...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26882   Early and mild stages of intersitial lung disease can be challenging to evaluate by radiography. A commercially available deep learning algorithm to detect reticular opacities in surgically confirmed interstitial lung disease was more accurate than radiologists. Gregory Lee, MD discusses a new AJR article that examines the use...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26547   Viet Le, MD discusses the utility of monitoring liver disease in kids after endovascular intervention with 2D shear-wave elastography.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26376 In patients at high risk for hepatocellular carcinoma, progression to higher categories from LR-2 and LR-3 observations remains a concern with surveillance of these lesions. Tune into this podcast to hear the results of a recently published study in AJR that found low progression rates of LR-2 and LR-3 observations with insights...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26551   Percutaneous ablation is an effective treatment for sarcoma lung metastases that improves survival with minimal damage to healthy lung. Two increasingly used ablation modalities, microwave ablation and cryoablation, have not been directly compared. Liwei Jiang, MD, discusses a new study that compares the outcomes following micr...