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Diagnosis of Pulmonary Embolism Remains a Challenge

Acute pulmonary embolism (PE) is a frequent and potentially fatal condition with substantial morbidity and mortality ( ). Clinical symptoms and signs in acute PE may be nonspecific or similar to th...

Comparison of On-Call Radiology Resident and Faculty Interpretation of 4- and 16-row Multidetector CT Pulmonary Angiography with Indirect CT Venography

Rationale and Objectives On-call radiology residents frequently interpret computed tomography (CT) pulmonary angiography and CT venography studies outside of routine working hours. The purpose of ...

Comparison of Low-Dose CT and MR for Measurement of Intra-Abdominal Adipose Tissue

Rationale and Objectives The aim of this study was to determine the accuracy and reproducibility of low-dose computed tomography (CT) and magnetic resonance (MR) for abdominal adipose tissue quant...

Automatic Prediction of Infarct Growth in Acute Ischemic Stroke from MR Apparent Diffusion Coefficient Maps

Rationale and Objectives We introduce a new approach to the prediction of final infarct growth in human acute ischemic stroke based on image analysis of the apparent diffusion coefficient (ADC) ma...

Automatic and Rapid Identification of Infarct Slices and Hemisphere in DWI Scans

Rationale and Objectives Accurate, free of observer’s bias, and fast identification of acute infarct is critical in visual and automatic processing of stroke images. An automatic and rapid algorit...

Analysis of Heart Rate and Heart Rate Variation During Cardiac CT Examinations

Rationale and Objectives We sought to examine heart rate and heart rate variability during cardiac computed tomography (CT). Materials and Methods Ninety patients (59.0 ± 13.5 years) underwent c...

Abstracts of Funded National Institutes of Health Grants (January)

Three-Dimensional Isotropic Wavelets for Post-Acquisitional Extraction of Latent Images of Atherosclerotic Plaque Components from Micro-Computed Tomography of Human Coronary Arteries

Rationale and Objectives The capability of wavelet transforms to separate signals into frequency bands is the basis for its use in image compression and storage, data management and transmission, ...

The National Institute of Biomedical Imaging and Bioengineering Marks Its First Five Years

This year, the National Institute of Biomedical Imaging and Bioengineering (NIBIB) celebrated a very successful first 5 years as a congressionally appropriated member institute of the National Inst...

The Lung Image Database Consortium (LIDC)

Rationale and Objectives Computer-aided diagnostic (CAD) systems fundamentally require the opinions of expert human observers to establish “truth” for algorithm development, training, and testing....