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Peripheral Non-atherosclerotic Arterial Disorders

Peripheral non-atherosclerotic arterial disorders (NAADs) are a heterogeneous group of rather uncommon conditions that tend to manifest in subjects without atherosclerosis. Each of these conditions...

Monitoring Disease Activity in Patients with Aortitis and Chronic Periaortitis Undergoing Immunosuppressive Therapy by Perfusion CT

Rationale and Objectives To evaluate the role of perfusion CT for monitoring inflammatory activity in patients with aortitis and chronic periaortitis undergoing immunosuppressive therapy. Materia...

Missteps in Estimates of Cancer Overdiagnosis

Lee and Etzioni describe our best-guess estimate of background breast cancer incidence in the United States over three decades as prone to very small changes in the counterfactual incidence trend t...

Measuring Interobserver Disagreement in Rating Diagnostic Characteristics of Pulmonary Nodule Using the Lung Imaging Database Consortium and Image Database Resource Initiative

Rationale and Objectives The purpose of this study was to measure and analyze interobserver disagreement in rating diagnostic characteristics of pulmonary nodules on computed tomography scans usin...

Lung Mass in Smokers

Rationale and Objective Emphysema is characterized by airspace dilation, inflammation, and irregular deposition of elastin and collagen in the interstitium. Computed tomographic studies have repor...

Lung Mass as the Complement to Lung Air Content in Quantitative CT of the COPD Lung

In this issue of Academic Radiology , Washko and colleagues have newly focused on voxel-based tissue volume (lung mass) rather than regional air content within a large cohort of chronic obstructive...

Improving Image Quality of Coronary Computed Tomography Angiography Using Patient Weight and Height-Dependent Scan Trigger Threshold

Rationale and Objectives We aim to improve the image quality of coronary computed tomography angiography (CCTA) by using personalized weight and height-dependent scan trigger threshold. Materials...

Fixated and Not Fixated Regions of Mammograms

Rationale and Objectives Visual search is an inhomogeneous yet efficient sampling process accomplished by the saccades and the central (foveal) vision. Areas that attract the central vision have b...

Comparison and Optimization of 3.0 T Breast Images Quality of Diffusion-Weighted Imaging with Multiple B-Values

Rationale and Objectives Breast 3.0 T magnetic resonance diffusion-weighted imaging (MR-DWI) of benign and malignant lesions were obtained to measure and calculate the signal-to-noise ratio (SNR),...

Clinical Application of Dual-Energy Spectral Computed Tomography in Detecting Cholesterol Gallstones From Surrounding Bile

Rationale and Objective This study aimed to investigate the clinical value of spectral computed tomography (CT) in the detection of cholesterol gallstones from surrounding bile. Materials and Met...