Eric Barnes

CT
CARS report: Novel conebeam CT cuts breast dose, improves accuracy
BERLIN - Dual-resolution conebeam CT accentuates the positives of conebeam breast imaging and eliminates (some of) the negatives, said a team from Texas in a presentation at the Computer Assisted Radiology and Surgery meeting.
June 28, 2009
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Image Processing
CARS report: Personalized medicine will dominate future care
BERLIN - Medicine is undergoing a historic transition, moving away from a cookie-cutter model of care and toward individualized treatment strategies based on patient-specific models of disease and treatment. Imaging, biology, and mathematics are at the center of this new paradigm, according to Dr. Michael Vannier, who spoke at the opening of the 2009 Computer Assisted Radiology and Surgery (CARS) meeting.
June 25, 2009
CT
Cardiologist calls for transparency in coronary CTA fight
Political effectiveness will be as important as cost-effectiveness in gaining broad coverage for coronary CT angiography (CTA) in the U.S., according to interventional cardiologist Dr. Tony DeFrance of Stanford University.
June 18, 2009
Cardiac Imaging
AuntMinnie.com Cardiac Imaging Insider
June 14, 2009
MRI
Cardiac MR techniques improve myocardial assessment
New cardiac MR techniques reported in two studies in the American Journal of Roentgenology may increase the modality's flexibility for assessing myocardial infarction (MI). The first study offered clinical validation for free-breathing cardiac MR for MI assessment, while the second evaluated myocardial viability on a 3-tesla MRI scanner.
June 14, 2009
Image Processing
MR stress alone sufficient for myocardial perfusion
Use of an automated postprocessing tool eliminates the need for both a stress and rest exam in myocardial perfusion MRI, according to researchers from Germany. They found that quantitative assessment of stress MRI images alone delivers the same diagnostic performance as semiquantitative evaluation of both stress and rest perfusion exams.
June 11, 2009
CT
Readers undaunted by VC CAD false positives
Radiologists examining data from virtual colonoscopy studies can easily dismiss increasing numbers of false-positive detections generated by computer-aided detection (CAD) systems, researchers from the U.K. report. But the presence of more false positives makes reading less efficient.
June 11, 2009
Digital X-Ray
JAMA study: Michigan program drives down dose in coronary CTA
Demonstrating that a coordinated multicenter program can successfully slash CT radiation dose, Michigan doctors cut dose from coronary CT angiography (CTA) studies by more than half statewide, according to the results of a study that will appear June 10 in the Journal of the American Medical Association.
June 8, 2009
CT
Virtual colonoscopy CAD improves flat-lesion detection
Computer-aided detection (CAD) software can improve the detection of flat lesions at virtual colonoscopy -- as long as the lesions are at least 1 mm high. In a new study from Italy, CAD detected 94% of all flat lesions; however, radiologists dismissed a few of them incorrectly as false positives.
June 4, 2009
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CT
AuntMinnie.com Virtual Colonoscopy Insider
June 1, 2009
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Nuclear Medicine
LLMs rapidly evolving in nuclear medicine
Large language models (LLMs) are widely used to handle the large volume of text data generated in nuclear medicine.
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MRI
DWI with fat correction identifies liver scarring in MASLD patients
Emergency Sign
Ultrasound
Ghost scans problematic in POCUS trauma exams
Prostate Imaging
Molecular Imaging
PSMA-PET may require selective use to be cost-effective
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A 50-year-old man with recently diagnosed nasal-type NK/T-cell lymphoma underwent an F-18 FDG-PET/CT scan (A–D) for initial staging. Maximum-intensity-projection image (A) shows hypermetabolic lesions in both ethmoid sinus (thin arrow), both cervical lymphatic chains (arrowhead), left upper lung (thick arrow), liver, and spleen. Transaxial images show an F-18 FDG-avid mass in both ethmoid sinus (B). The scan shows intense F-18 FDG radiotracer uptake in left upper lung and uptake in the liver and spleen (CT showed no lesions), suggesting malignancy (C–D). Finally, after the PET/CT scan was done, the patient’s staging was changed from II to IV.
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