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Association Between Imaging Characteristics and Different Molecular Subtypes of Breast Cancer

Rationale and Objective Breast cancer can be divided into four major molecular subtypes based on the expression of hormone receptor (estrogen receptor and progesterone receptor), human epidermal g...

Variability of CT Attenuation Measurements in Virtual Unenhanced Images Generated Using Multimaterial Decomposition from Fast Kilovoltage-switching Dual-energy CT

Rationale and Objectives To compare Hounsfield unit (HU) data obtained from true-unenhanced (TUE) and virtual-unenhanced (VUE) imaging obtained with a fast kv-switching dual-energy computed tomogr...

Trends in Fluoroscopy Time in Fluoroscopy-Guided Lumbar Punctures Performed by Trainees Over an Academic Year

Rationale and Objectives Fluoroscopy-guided lumbar puncture (FGLP) is an operator-dependent procedure that can contribute to lifetime cumulative radiation dose. Benchmark fluoroscopic times (FTs) ...

The Science of Quality Improvement

Scientific rigor should be consistently applied to quality improvement (QI) research to ensure that healthcare interventions improve quality and patient safety before widespread implementation. Thi...

The Relevance of Ultrasound Imaging of Suspicious Axillary Lymph Nodes and Fine-needle Aspiration Biopsy in the Post-ACOSOG Z11 Era in Early Breast Cancer

Rationale and Objectives Evaluation of nodal involvement in early-stage breast cancers (T1 or T2) changed following the Z11 trial; however, not all patients meet the Z11 inclusion criteria. Hence,...

The Influence of Iterative Reconstruction on Coronary Artery Calcium Scoring—Phantom and Clinical Studies

Rationale and Objectives We compared the effect of iterative model reconstruction (IMR), filtered back projection (FBP), and hybrid iterative reconstruction (HIR) on coronary artery calcium (CAC) ...

Superior Abdominal 4D Flow MRI Data Consistency with Adjusted Preprocessing Workflow and Noncontrast Acquisitions

Rationale and Objectives To assess the impact of an alternative preprocessing workflow on noncontrast- and contrast-enhanced abdominal four-dimensional flow magnetic resonance imaging (4D flow MRI...

Radiology Research in Quality and Safety

Promoting quality and safety research is now essential for radiology as reimbursement is increasingly tied to measures of quality, patient safety, efficiency, and appropriateness of imaging. This a...

Radiology Research Alliance Task Forces

Radiology is a dynamic specialty, essential to all aspects of health care—past, present, and future. Yet many academic radiologists are jaded, passively viewing various changes in health care deliv...

Portraits in Professionalism

Open full size image To excel as a radiologist, it is not always sufficient to be merely a radiologist. Case in point: John A. “Jack” Campbell, MD, the long-time chair of radiology at Indiana Univ...