AJR Podcasts

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Radiofrequency Tag Localization Is a Feasible Alternative to Wire Localization of Breast Lesions Dec 08, 2020

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.24374

Wire localization has long been the standard of care for localization of non-palpable breast lesions. Additional wireless localization options exist, including use of radioactive seeds, magnetic markers, radar/infrared reflectors, or most recently a radiofrequency identification tags, which address some of the disadvantages involved in wire localization. Matthew Petterson, MD discusses results an AJR study of one year of use at a single institution that suggests that RF tag localization is a feasible alternative to wire localization.

Borderline Resectable and Locally Advanced Pancreas Cancer: FDG PET/MRI and CT Tumor Metrics for Assessment of Neoadjuvant Therapy Pathologic Response and Prediction of Survival Dec 01, 2020

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.24567

Patients with borderline resectable and locally advanced pancreatic cancer receiving neoadjuvant therapy can have results comparable to patients with resectable tumor at presentation, however some patients have early recurrence after neoadjuvant therapy and resection. Jordan Perchik, MD discusses a new AJR study in which a team of radiologists evaluate multiple imaging parameters and tumor metrics to assess for characteristics to predict pathologic response prior to resection.

Use of Enteric Contrast for Abdominopelvic CT in Penetrating Traumatic Injury in Adults Nov 18, 2020

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.24636

Michael Nellamattathil, DO discusses whether or not enteric contrast is necessary in the setting of penetrating traumatic injury in light of a recent AJR article on the subject.

Thermal Ablation versus stereotactic body radiation therapy following trans-arterial chemoembolization – A comparison of outcomes Oct 26, 2020

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Full article: https://www.ajronline.org/doi/10.2214/AJR.20.24117

Percutaneous interventions are the mainstay for patients with non-operative HCC. This podcast by Ben Kipper, MD examines a paper comparing outcomes between thermal ablation and stereotactic body radiation therapy following transarterial chemoembolization and how those outcomes might affect clinical treatment plans going forward.

Malignant Outcomes of Architectural Distortion Oct 14, 2020

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.23935

Architectural distortion is a subtle but suspicious finding increasingly detected using digital breast tomosynthesis. Alicia Chen, MD discusses a timely meta-analysis by Dr. Choudhery and colleagues that found the pooled positive predictive value for AD without a known cause on DBT is 35%, the great majority of which represents invasive disease. This finding warrants tissue sampling.

Ultrasound guided percutaneous biopsy of small pleural lesions Oct 14, 2020

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Full article: https://www.ajronline.org/doi/10.2214/AJR.20.24120

In this episode, Yoon-Jin Kim, MD discusses a study evaluating the diagnostic yield of ultrasound guided percutaneous biopsy of small pleural lesions. Important findings include that the technique is safe and fairly high yield for lesions 20 mm or less and that features such as nodular.

Evaluating PI-RADS 3 atypical BPH nodules using v2.1. Oct 05, 2020

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.24370

Jeff Guccione, MD discusses a new article comparing atypical BPH prostatic nodules in the problematic prostate transition zone to traditional PI-RADS 3 lesions using PI-RADS version 2.1. All nodules contain pathologic confirmation from biopsy.

Prediction of Stroke Recurrence: A Comparison of Transthoracic Echocardiography, Cardiac CTA, and Cardiac MRI in Patients with Suspected Cardioembolic Stroke Sep 30, 2020

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.23903

Transthoracic echocardiography (TTE) is the standard of care in cardiac imaging for patients with suspected cardioembolic stroke. In this podcast, Amber Liles, MD discusses how cardiac MRI and cardiac CT angiography perform in comparison to TTE in terms of prediction of stroke recurrence.

Can an unconventional diffusion weighted technique aid in the MRI management of sacroiliitis? Sep 17, 2020

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Article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.23953

Shrey Patel, MD discusses a new AJR article on whether using an unconventional DWI technique, readout-segmented echo-planar imaging, can improve image quality and differentiate disease activity in patients with axial spondyloarthritis.

CT and MR perform similarly using Bosniak v2019 for cystic renal masses Sep 17, 2020

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Article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.23656

In this episode, David Ballard, MD summarizes Bosniak version 2019 (v2019) and Tse et al.'s imaging cohort with study radiologists applying Bosniak v2019.

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