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A New Computerized Measurement Approach of Carotid Artery Stenosis on Tomographic Image Sequence

Rationale and Objectives The stenosis degree of carotid artery (CA) can be a critical factor for treatment of cerebrovascular disease and for determining candidate of carotid endarterectomy. Curre...

Validation and Reference Values of Automated Bone Age Determination for Four Ethnicities

Rationale and Objectives Bone age (BA) rating is associated with a considerable rater variability, which would be eliminated with an automated computerized method. The aim of the study was to vali...

The Nurturing of the Clinical Research Coordinator

The emergence of the American College of Radiology Imaging Network (ACRIN) as a premier vehicle for clinical trials involving medical imaging and the growth of imaging itself in clinical decision-m...

Specialty Imaging Breast MRI A Comprehensive Imaging Guide

Before I began reading breast magnetic resonance images several years ago, I digested as much written material, most of it excellent in scope and quality, as I could. However, it was not until I go...

Smart Card

For most of the century and a bit more of radiology, it has been possible to claim that radiation exposures have gotten safer for both patients and radiation workers. William Coolidge’s hot cathode...

Response Assessment in Patients with Multiple Myeloma during Antiangiogenic Therapy using Arterial Spin Labeling and Diffusion-Weighted Imaging

Rationale and Objectives To determine whether response to anti-angiogenic therapy in patients with multiple myeloma can be assessed by noncontrast perfusion magnetic resonance imaging (MRI) (ie, a...

Quantitative Assessment of Lung Ventilation and Microstructure in an Animal Model of Idiopathic Pulmonary Fibrosis Using Hyperpolarized Gas MRI

Rationale and Objectives The use of hyperpolarized 3 He magnetic resonance imaging as a quantitative lung imaging tool has progressed rapidly in the past decade, mostly in the assessment of the a...

Optimal Systolic and Diastolic Image Reconstruction Windows for Coronary 256-Slice CT Angiography

Rationale and Objectives The aims of this study were to determine the optimal image reconstruction intervals for the systolic and diastolic phases of coronary computed tomographic angiography on 2...

Multimodality Non-rigid Image Registration for Planning, Targeting and Monitoring During CT-Guided Percutaneous Liver Tumor Cryoablation

Rationale and Objectives The aim of this study was to develop non-rigid image registration between preprocedure contrast-enhanced magnetic resonance (MR) images and intraprocedure unenhanced compu...

Malignancy Detection in Digital Mammograms

Rationale and Objectives To determine the relationship between heightened levels of reader performance and reader practice in terms of number of cases read and previous experience. Materials and ...