JANUARY 2022, VOLUME 218, NUMBER 1

Editorial

1. The Yellow Journal: Changes Continue

2. Editor's Notebook: January 2022

Featured Articles

3. AJR Expert Panel Narrative Review. Radiologists' Increasing Role in Population Health Management: AJR Expert Panel Narrative Review

4. Special Series Review. Imaging of Oncologic Treatment–Related Pneumonitis: A Focused Review on Emerging Issues of Immune Checkpoint Inhibitor Pneumonitis, From the AJR Special Series on Inflammation

5. Editorial Comment. Editorial Comment: Immune Checkpoint Inhibitor Pneumonitis—Newly Emerging Issues, Diagnosis, and Management

6. Point/Counterpoint. Ventilation-Perfusion Scans After the COVID-19 Pandemic: Point—Ventilation Studies Are Dispensable

7. Point/Counterpoint. Ventilation-Perfusion Scans After the COVID-19 Pandemic: Counterpoint—Ventilation Studies Are Here to Stay

Breast Imaging

8. Original Research. Axillary Nodal Metastases in Invasive Lobular Carcinoma Versus Invasive Ductal Carcinoma: Comparison of Node Detection and Morphology by Ultrasound

9. Original Research. Mammographic Surveillance After Breast-Conserving Therapy: Impact of Digital Breast Tomosynthesis and Artificial Intelligence–Based Computer-Aided Detection

10. Editorial Comment. Editorial Comment: Imaging of the Postoperative Breast—How the Addition of Artificial Intelligence–Based Computer-Aided Detection and Digital Breast Tomosynthesis Can Improve Accuracy and Confidence

Cardiothoracic Imaging

11. Review. The Evolving Landscape of Lung Cancer Surgical Resection: An Update for Radiologists With Focus on Key Chest CT Findings

12. Original Research. Dual-Energy CT–Derived Electron Density for Diagnosing Metastatic Mediastinal Lymph Nodes in Non–Small Cell Lung Cancer: Comparison With Conventional CT and FDG PET/CT Findings

13. Editorial Comment. Editorial Comment: Diagnosing Mediastinal Lymph Node Involvement in Non–Small Cell Lung Cancer Noninvasively With Advanced Imaging Markers—Are We There Yet?

14. Short Report. Real-World Diagnostic Performance of RSNA Consensus Reporting Guidelines for Findings Related to COVID-19 on Chest CT

Gastrointestinal Imaging

15. Review. Hepatocellular Carcinoma Staging: Differences Between Radiologic and Pathologic Systems and Relevance to Patient Selection and Outcomes in Liver Transplantation

16. Editorial Comment. Editorial Comment: Recurrence of Hepatocellular Carcinoma in Liver Transplants—Microvascular Invasion and Pathologic Staging of the Explant Liver

Genitourinary Imaging

17. Review. MRI Evaluation of Patients Before and After Interventions for Benign Prostatic Hyperplasia: An Update

18. Editorial Comment. Editorial Comment: MRI for Benign Prostatic Hyperplasia—An Underutilized Imaging Opportunity

19. Original Research. Association of Clear Cell Likelihood Score on MRI and Growth Kinetics of Small Solid Renal Masses on Active Surveillance

20. Editorial Comment. Editorial Comment: Managing Small Renal Masses—A Shifting Paradigm

Interventional Radiology

21. Original Research. Learning Curve for CT-Guided Percutaneous Transthoracic Needle Biopsy: Retrospective Evaluation Among 17 Thoracic Imaging Fellows at a Tertiary Referral Hospital

Musculoskeletal Imaging

22. Original Research. Fully Automated Deep Learning Tool for Sarcopenia Assessment on CT: L1 Versus L3 Vertebral Level Muscle Measurements for Opportunistic Prediction of Adverse Clinical Outcomes

Neuroradiology/Head and Neck Imaging

23. Original Research. Contrast-Enhanced T1-Weighted Head and Neck MRI: Prospective Intraindividual Image Quality Comparison of Spiral GRE, Cartesian GRE, and Cartesian TSE Sequences

24. Editorial Comment. Editorial Comment: The Sequence You Choose Will Determine the Success or Failure of Contrast-Enhanced T1-Weighted MRI in the Head and Neck

Nuclear Medicine

25. Review. Atypical Metastases in the Abdomen and Pelvis From Biochemically Recurrent Prostate Cancer: 11C-Choline PET/CT With Multimodality Correlation

26. Editorial Comment. Editorial Comment: Directions for Further Literature on the Role of PET in Biochemical Recurrence of Prostate Cancer

Pediatric Imaging

27. Original Research. Feasibility and Safety of Contrast-Enhanced Ultrasound of the Neonatal Brain: A Prospective Study Using MRI as the Reference Standard

28. Editorial Comment. Editorial Comment: Contrast-Enhanced Ultrasound of the Brain—Potential Applications in the Neonatal ICU

29. Short Report. Agreement Between Automated and Clinically Reported Manual ROI–Based MR Elastography Liver Stiffness Measurements in Children and Young Adults

Policy, Quality, and Practice Management

30. Original Research. Increasing Utilization of Emergency Department Neuroimaging From 2007 Through 2017

31. Original Research. Effect of Extrinsic Warming of Low-Osmolality CT Contrast Media (Iohexol 350) on Extravasations and Patient Reaction Rates: A Retrospective Study

32. Editorial Comment. Editorial Comment: Has the Time Come Not to Prewarm Iodinated Contrast Media Before Injection for CT?

Commentary

33. AJR Viewbox. FDG-Avid Ipsilateral Iliac and Inguinal Lymphadenopathy After COVID-19 Vaccination With Thigh Injection

34. AJR Viewbox. Lymphangiography and Contrast-Enhanced Lymphosonography for the Diagnosis of Chyluria

35. Viewpoint. Ensuring Adequate Development and Appropriate Use of Artificial Intelligence in Pediatric Medical Imaging

36. Viewpoint. What Is It We Do Here?

37. Viewpoint. Evidence-Based Pragmatic Approach to the Management of Borderline or High-Risk Breast Lesions

38. Global Reading Room. The Global Reading Room: Postoperative Benign Biliary Stricture

39. Beyond the AJR. Beyond the AJR: Incidental Ground-Glass Nodules Found on Low-Dose Screening CT—To Ignore or Not?

40. Beyond the AJR. Beyond the AJR: More Evidence That IV Iodinated Contrast Material Is Much Less Nephrotoxic Than We Previously Thought—or, Perhaps, Not at All

41. Beyond the AJR. Beyond the AJR: “Aggregated Tau Measured by Visual Interpretation of Flortaucipir Positron Emission Tomography and the Associated Risk of Clinical Progression of Mild Cognitive Impairment and Alzheimer Disease: Results From 2 Phase III Clinical Trials”