AJR Podcasts

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 use of iohexol over gastrografin.

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 these risk groups receive a surveillance brain MRI at 12 months.

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 rectal tube placement.

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 striving to maintain an adequate imaging examination.

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 sample with equal proportions of these infectious and non-infectious diagnoses, in which radiologists' diagnostic accuracy was low.

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.