July 2019: Issue Summary 2

David A. Bluemke, MD, PhD, Editor of Radiology discusses four research articles from the July 2019 issue of Radiology. ARTICLES DISCUSSED –Summary of Using Artificial Intelligence to Revise ACR TI-RADS Risk Stratification of Thyroid Nodules: Diagnostic Accuracy and Utility. Radiology 2019;292:112–119. Summary of CT-guided Lung Biopsy: Effect of Biopsy-side Down Position on Pneumothorax and Chest Tube Placement. Radiology 2019;292:190–196. Summary of Iodine Maps from Subtraction CT or Dual-Energy CT to Detect Pulmonary Emboli with CT Angiography: A Multiple-Observer Study. Radiology 2019;292:197–205. Summary of Brain Oxygen Extraction by Using MRI in Older Individuals: Relationship to Apolipoprotein E Genotype and Amyloid Burden. Radiology 2019;292:140–148.