AJR Podcasts

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 statistically significant values leads to a broader discussion of statistical significance versus practical application.

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 the reference standard.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.21.25651 Jeff Guccione, MD discusses an article has potential implications for future guidelines in how to manage axillary adenopathy following vaccination.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.25417 For patients who have undergone prior lumpectomy for localized breast cancer, no clear guidelines exist regarding use of diagnostic or screening mammography for post-lumpectomy imaging surveillance. Amber Liles, MD, MPH dives into a recently published article which seeks to answer this research question.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.25437 The triangular fibrocartilage complex is a structure which is often associated with ulnar sided wrist pain. Injuries to this structure can result in displaced tears which have a characteristic appearance. Shrey Patel, MD discusses a new AJR article that describes characteristic MRI findings and the frequency of this injury.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.25315 Giuseppe V. Toia, MD reviews a retrospective study exploring prognostic factors for patients with chemorefractory metastatic colorectal cancer treated with Y-90 radioembolization. The study emphasizes primary tumor location as a predictor of overall survival.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.25207 Shrav Sridhar MD, discusses a retrospective study in which target-specific prostate cancer detection rate in a cohort of patients who underwent in-bore MRI biopsy was compared to the rate in a cohort of patients who underwent ultrasound-MRI fusion-guided biopsy.

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.24918 Frederic J. Bertino, MD discusses a recent AJR article that investigates how to optimize the cores samples for in-gantry prostate MRI biopsy. It is suggested by this retrospective study that three cores from the dominant lesion achieves the "sweet spot" in balancing significant cancer detection and reducing anesthesia and procedure time. Study limitations and future directions are discussed.