AJR Podcasts

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26577   Rosalind Gerson, PGY3 discusses a new study which shows that applying deep learning reconstruction to accelerated shoulder MRI improves image quality and decreases artifact severity to a level similar to that of standard sequences, without compromising sensitivity, specificity, and diagnostic accuracy.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26071   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 supports the use of 18F-FDOPA as the first-line imaging modal...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26506   Alexandra Millet, MD discusses a new study shows that accuracy improves and recall rates decrease when DBT or AI-CAD are used as adjuncts to DM alone for surveillance of the ipsilateral and contralateral breasts in women with a personal history of breast cancer after BCT, indicating that these additional methods can reduce unne...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26208   In this episode, Gregory Lee, MD focuses on a new AJR article that focuses on how dual-energy CT derived electron density values can add accuracy in the diagnosis of lymph node metastasis in the setting of non-small cell lung cancer.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26274   Viet Le, MD discusses the diagnostic performance of contrast-enhanced ultrasounds in evaluating neonatal brain injury while highlighting the safety and feasibility of the modality, which are important to consider in potentially critically ill patients.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26256   Should CT contrast media be warmed? Currently, the ACR has not provided conclusive recommendations, and data to guide decision-making has been sparse. In this episode, John Do, MD discusses a recently published study showing that prewarming iohexol 350 may not be necessary to reduce the risk of extravasation and reaction rates....

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25979   Clear cell Likelihood Score (ccLS) is a non-invasive method to grade the likelihood of a small renal lesion being a clear cell renal cell carcinoma based on the MRI appearance. Hyunjoong William Kim, MD discusses a new AJR article in which the authors demonstrate a relationship between the ccLS and the rate of growth, as higher...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26346 How many CT-guided lung biopsies should one perform before being considered competent? Knowing metrics for performance and how to measure performance may help set guidelines for training and clinical practice. Liwei Jiang, MD details a new study in which the authors seek to define the learning curve of CT-guided lung biopsies, lo...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26014   Lara Gabrielle L Lim discusses a new AJR study that focuses on CT changes of the pancreas before the diagnosis of pancreatic ductal adenocarcinoma. This involves six focal pancreatic abnormalities that when detected will aid in early disease detection, early disease management, and improved patient outcomes.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25832   Xiaochen D. Liu, MD discusses a proposed selective surgery of benign papillomas that was discussed in a recent AJR article.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.26132   Jeffrey Guccione, MD discusses an article that examines the use of iohexol in a water-soluble contrast challenge for predicting non-operative management of small bowel obstruction. Technical success rates are also examined, and the real-world practicality discussed. Strengths and limitations are addressed as well, including the...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.19.22661   In this podcast, Pei-Kang (Ken) Wei, MD and Cinthia Cruz-Romero, MD summarized the study by Stewart et al. and then provided a discussion regarding the limitation of this article as well as whether including MRI to the diagnostic algorithm for placental adhesion disorder may provide added benefit to clinical management. 

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25787   In this podcast, Tyler Richards, MD discusses an observational retrospective study that looks at risk factors for patients with non-small cell lung cancer, which they found to be advanced clinical stage at diagnosis (stage III or IV) and EGFR mutation in patients with adenocarcinoma histology. They recommend that patients in th...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25732   David Ballard, MD discusses an AJR article in which the authors provide a practical practice consideration for optimizing prostate MR image quality. To reduce susceptibility from rectal gas, the authors had MR technologist place 18-French rectal tubes in patients undergoing prostate MR and compared them to patients without rect...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25608   Drew Gunio, MD discusses a new AJR study assessing the impact of a flexed elbow valgus external rotation (FEVER) view on ulnotrochlear (UT) joint space measurement and reader evaluation of the UCL when incorporated into standard elbow MRI in throwing athletes.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25744   Kerem Ozturk, MD discusses a new AJR articles that includes retrospective ECG-Gated CTA findings which may help guide presurgical planning in Type A Aortic Dissection with sinus Valsalva involvement that impacts patient prognosis and surgical planning.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25924   Intracranial deposition of gadolinium after contrast-enhanced MRI is an emerging area of concern with much still to be learned. Kalen Riley, MD, MBA discusses a new article that proposes a dose-reduction strategy that takes advantage of relatively higher T1 relaxivity of one macrocyclic agent compared to another while still str...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25640   Characteristic CT findings of COVID-19 pneumonia have been extensively described, including the substantial overlap with findings of other infectious etiologies such as influenza. However, CT findings also have substantial overlap with those of non-infectious organizing pneumonia. Matthew Peterson, MD discusses a new AJR study...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25796   Giuseppe V. Toia, MD reviews a retrospective study which compares CT and MRI cystic renal mass characterization using the Bosniak 2019 and 2005 versions. This study concludes that version 2019 demonstrated decreased sensitivity, but increased specificity for detecting malignancy.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25669   David Robinson, MD discusses a short report study exploring the role of MRI in the diagnosis of tibial polyethylene post fractures in posterior stabilized total knee arthroplasties, including a comparison of conventional sequences versus metal artifact reduction sequences.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25545   Michael Nellamattathil, DO discusses a new article that finds ultrasound-guided biopsy of omental disease suspected on CT is safe and effective for tissue diagnosis. Though omental disease commonly appears on ultrasound as diffuse infiltrative thickening without a discrete target, sampling based on pre-biopsy CT landmarks is di...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.25416   There has been a dearth of head to head comparison of the performance of the different noninvasive colorectal cancer screening tests. Alicia Chen, MD discusses a new study that has completed a valuable meta-analysis comparing the positive predictive value and detection rate of stool DNA, FIT, and CT colonography.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.25430   Dual phase pancreatic CT has been the traditional work horse for evaluation of pancreatic masses. Ben Kipper, MD discusses a paper examining an additional "delayed" phase to enhance the sensitivity and detection of small pancreatic adenocarcinomas. 

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25499   Jordan Perchik, MD discusses a new study in which a team of radiologists attempt to detail imaging findings that can identify patients with interstitial lung disease who are at high risk of developing acute exacerbation after thoracic surgery. Several promising metrics are described however the close overlap between the statist...

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25554 Yoon-Jin Kim, MD discusses a study identifying imaging findings of lateral meniscus posterior root tear on pre-operative MRI in children. Imaging findings generally having a high specificity put low sensitivity with tears of the root proper having the best accuracy for identifying root tears when arthroscopy reports are used at t...