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Coregistered Ventilation and Perfusion SPECT Using Krypton-81m and Tc-99m−Labeled Macroaggregated Albumin With Multislice CT

Rationale and Objective Coregistered SPECT and CT imaging (SPECT-CT) has potential for more precise evaluation of regional pulmonary function and may be useful for prediction of postoperative lung...

Computational Fluid Dynamics Modeling of Intracranial Aneurysms

Rationale and Objective The purpose of this study is to determine whether computational fluid dynamics modeling can correctly predict the location of the major intra-aneurysmal flow structures tha...

Clinical radiology the essentials, 3rd ed

Lippincott, Williams & Wilkins’ update on Dr. Daffner’s introductory text on radiologic imaging is an outstanding resource even before the relatively affordable price and inclusion of online ac...

Abstracts of Funded National Institutes of Health Grants

The following abstracts of diagnostic radiology research and training grants funded by the National Institutes of Health (NIH) were awarded to principal investigators (PIs) whose primary appointmen...

3D and 2D Delayed-Enhancement Magnetic Resonance Imaging for Detection of Myocardial Infarction Preclinical and Clinical Results

Rationale and Objectives The purpose was to verify whether myocardial viability can be detected by a delayed enhancement magnetic resonance imaging (MRI) approach using a rapid three-dimensional i...

2D or Not 2D That is the Question, But 3D is the Answer

In this issue of Academic Radiology , Dr. Robb and colleagues ( ) detail the steps required to develop a novel texture analysis approach that can be used to classify and quantify the various pathol...

“Binary” and “Non-Binary” Detection Tasks Are Current Performance Measures Optimal?

Rationale and Objectives We have observed that a very large fraction of responses for several detection tasks during the performance of observer studies are in the extreme ranges of lower than 11%...

Two-Modality Mammography May Confer an Advantage Over Either Full-Field Digital Mammography or Screen-Film Mammography

Rationale and Objectives We sought to compare the cancer detection rate and receiver operating characteristic (ROC) area under the curve of full-field digital mammography, screen-film mammography,...

The Value of Dynamic MRI Studies in Parotid Tumors

Rationale and Objectives To evaluate the ability of dynamic contrast-enhanced magnetic resonance imaging (MRI) to differentiate several tumor entities of the parotid gland in a prospective clinica...

The high cost of all sorts of things

In January, as this is written, I have just read the text of President Bush’s state-of-the-union speech and I pondered over what his health care proposals might mean if they ever see legislative la...