AJR Podcasts

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Outcomes of LI-RADS US-2 Subthreshold Observations Detected on Surveillance Ultrasound Aug 12, 2022

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.22.27812

There is not great evidence on what to do when a small lesion of less than 10 mm is detected on surveillance examinations, also known as US-2 subthreshold category. Hyunjoong William Kim, MD discusses a paper that tackles this grey area.

Yield of Short Term Follow Up CT in Lung Cancer Screening Aug 11, 2022

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.22.27869

In this podcast, Shambo Guha Roy, MD discusses an AJR article in which the authors tried to evaluate the yield of short-term follow-up CT in demonstrating growth among malignant nodules detected on low dose screening CT.

Role of Contrast-Enhanced Mammography in Breast Cancer Neoadjuvant Therapy Response Aug 10, 2022

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Full article: https://www.ajronline.org/doi/10.2214/AJR.22.27756

In this podcast, Mostafa Alabousi, MD discusses a prospective study which compared the performance of contrast-enhancement mammography and breast MRI in assessing neoadjuvant therapy treatment response for patients with breast cancer.

Diagnostic Yield of Occult Non-spinal Bone Lesions After CT Guided Biopsy Aug 10, 2022

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.22.27842

Diagnostic yield of CT guided core needle biopsy of visible bone lesions has been well studied, but not thoroughly studied for occult non-spinal bone lesions. Abdul Khan, MD, discusses a recently published AJR article in which investigators evaluated the diagnostic performance of biopsy of occult osseous lesions and analyze the various malignant and benign diagnosis.

The Added Benefits of Diffusion Weighted Images for Detection of Pancreatic Cancer Recurrence Aug 09, 2022

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Full article: https://www.ajronline.org/doi/10.2214/AJR.22.27739

Ragheed Al-Dulaimi, MD discusses a new article that demonstrates how the addition of DWI to conventional MRI can improve diagnostic performance and interobserver agreement in differentiating cancer recurrence from postsurgical fibrosis.

Time for Resolution of COVID-19 Vaccine-Related Lymphadenopathy Jul 13, 2022

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.22.27687

Axillary swelling, tenderness and palpable lymphadenopathy are commonly reported side effects of the COVID-19 vaccination. Alexandra Millet, MD discusses a new study that observed a prolonged duration to resolution of unilateral ipsilateral axillary lymphadenopathy suspected to be related to COVID 19 vaccination. Administration of the Moderna vaccine, receipt of a second vaccine dose after the initial lymphadenopathy presentation, and greater cortical thickness at initial presentation were independently associated with a longer time to resolution following presentation. The findings support a follow up interval of at least 12 weeks for suspected vaccination-related lymphadenopathy as well as not delaying screening mammography due to recent vaccination.

Validation of Clear Cell Likelihood Score for Characterization of cT1 Solid Renal Masses Jul 13, 2022

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.22.27378

Wenhui Zhou, MD, PhD reviews a recent AJR article examining the performance and interreader agreement of clear cell likelihood score (ccLS) for noninvasive, imaging assessment of renal mass. This validation study bolsters the value of multiparametric MRI to predict pathologic diagnosis of incidentally detected renal cell carcinoma.

Value of Reporting Coronary Calcium on Non-Gated Chest CT Jun 22, 2022

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.22.27664

Gregory Lee, MD and Jean Jeudy, MD discuss the accuracy of visual scoring of coronary artery calcium on chest CT, regardless of contrast. By more accurately reporting these scores, large groups of patients may greater benefit from preventative treatment of coronary disease.

Advanced CKD Using Patient Reported Risk Factors Jun 22, 2022

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Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.22.27494

Xiaochen Denise Liu, PGY 5, discusses an article in which the preliminary findings suggest the need for modification of the current consensus for CKD risk factor prior to outpatient administration of iodinated contrast.

Coronary CTA With AI-QCT Interpretation Jun 14, 2022

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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 diagnostic performance than MPI. Modelling of diagnostic algorithms showed that incorporating CTA+AI-QCT reduced both costs and rates of invasive testing.

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