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Hyperpolarized3 He Magnetic Resonance Functional Imaging Semiautomated Segmentation

Rationale and Objectives To improve intra- and interobserver variability and enable the use of functional magnetic resonance imaging (MRI) for multicenter, multiobserver studies, we generated a se...

Enterprise-Wide and Multisite Imaging and Archiving in Academic Radiology Departments

In this issue, Academic Radiology is presenting a number of articles reviewing different aspects of medical informatics . These articles collect the information provided in the Association of Unive...

Enterprise Imaging

To evaluate financial performance, academic radiology departments most often measure examination volume and general technical and professional expenses. Although these metrics are not standardized,...

Dose Reduction in Digital Breast Tomosynthesis (DBT) Screening using Synthetically Reconstructed Projection Images

Rationale and Objectives The aim of this study was to retrospectively compare the interpretive performance of synthetically reconstructed two-dimensional images in combination with digital breast ...

Diagnostic Performance of Dual-time18 F-FDG PET in the Diagnosis of Pulmonary Nodules A Meta-analysis

Rationale and Objective Perform a comprehensive meta-analysis evaluating the diagnostic performance of dual time point deoxy-2-[ 18 F]fluoro-D-glucose positron emission tomography (FDG-PET) in th...

Design Considerations for using PET as a Response Measure in Single Site and Multicenter Clinical Trials

Rationale and Objectives Positron emission tomography (PET) is used to evaluate response to therapy with increasing interest in having PET provide endpoints for clinical trials. Here we demonstrat...

Current Status of Residency Training of Allergic-like Adverse Events to Contrast Media

Rationale and Objectives Acute allergic-like adverse reactions to contrast media are rare but life-threatening events. Residents may complete training without ever managing such an event. Surveys ...

Comparison of Digital with Film Radiographs for the Classification of Pneumoconiotic Pleural Abnormalities

Rationale and Objectives Analog film radiographs are typically used to classify pneumoconiosis to allow comparison with standard film radiographs. The aim of this study was to determine if digital...

Comparison between Acetazolamide Challenge and 10% Carbon Dioxide Challenge Perfusion CT in Rat C6 Glioma

Rationale and Objectives The aim of this study was to investigate the effect of perfusion computed tomography (PCT) with acetazolamide (ACZ) challenge and compare it to 10% carbon dioxide (CO 2 )...

Caudal Image Contrast Inversion in MPRAGE at 7 Tesla

Rationale and Objectives The magnetization-prepared rapid-acquisition gradient-echo (MPRAGE) sequence regularly shows caudal image contrast inversion at 7 T and therefore reduced clinical applicab...