Eric Barnes

CT
ACRIN virtual colonoscopy training tied to performance
In the first of several upcoming studies that will analyze the ACRIN 6664 trial data, researchers examined the role of training and testing in reader performance interpreting virtual colonoscopy studies. They found that training improved overall reader sensitivity in predictable, quantifiable ways -- and that novice readers could be trained to perform as well as more experienced colleagues.
October 26, 2008
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CT
VC finds perforations from incomplete colonoscopy
New research suggests that occult colonic perforation after incomplete optical colonoscopy may be more common than previously thought. The study, which recommends low-dose CT scanning of incomplete colonoscopy patients before VC, could have workflow and patient-safety implications in facilities that routinely perform same-day VC.
October 23, 2008
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Digital X-Ray
CTA less costly than angiography for carotid artery occlusion
The results of a new cost-effectiveness analysis suggest that using CT angiography (CTA) to confirm suspected carotid occlusion is more cost-effective than catheter angiography. The study represents a rare look at the cost-effectiveness of the use of CTA for carotid disease.
October 21, 2008
CT
New neuroimaging potential seen in 320-row CT
The development of dynamic volume imaging with 320-detector-row CT is opening new diagnostic and therapeutic windows to the brain, according to researchers at a high-volume imaging facility in Las Vegas.
October 19, 2008
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CT
AuntMinnie.com CT Insider
October 14, 2008
CT
Autopsy study confirms low prevalence of adenomas in youth
A rare autopsy study of more than 3,500 individuals found that the incidence of colorectal adenomas is low in those under 50, but rises sharply in the sixth decade of life. The study, which provides important new information about the natural history of colorectal polyps and cancer in the young, supports current guidelines recommending that screening begin at age 50.
October 13, 2008
Digital X-Ray
ACRIN study: Cardiac CTA cheaper, more effective for chest pain triage
A University of Pennsylvania study of acute chest pain patients found that cardiac CT angiography (CTA) was a better triage method than the traditional standard of care, according to results presented earlier this month at the American College of Radiology Imaging Network (ACRIN) fall meeting.
October 13, 2008
Image Processing
Faster respiratory motion prediction aids radiotherapy
Respiratory motion compensation algorithms are helping to reduce the irradiation of healthy tissues during radiotherapy by compensating for the patient's breathing during treatment. Researchers from Germany have developed new algorithms that reduce the computational burden of motion-tracking algorithms while maintaining accuracy.
October 9, 2008
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CT
Dual-energy CT helps distinguish malignant lung nodules
Researchers in South Korea used a dual-energy CT (DECT) scan to perform a lung imaging task that previously required two scans, reducing the radiation dose needed for the workup. The group found that DECT enabled the detection of both contrast enhancement and lung nodule calcifications in a single scan.
October 7, 2008
Breast
MRI beats mammo for gauging breast cancer treatment response
ARLINGTON, VA - MRI is superior to mammography for evaluating response to neoadjuvant chemotherapy for breast cancer, according to early trial results from the University of California, San Francisco and nine other U.S. academic centers. The results were presented at last week's American College of Radiology Imaging Network (ACRIN) fall meeting.
October 6, 2008
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Practice Management
Malpractice factors tied to imaging use in emergency department
Several liability and damage caps are tied to less imaging being used for patients who present with a headache.
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Womens Imaging
Experts, research highlight prevalence of remote breast imaging
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Ultrasound
Ablation procedures cure thyroid disorders in older patients
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NYU researcher's new book explores how imaging is 'changing our world'
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Elastography predicts treatment response in colorectal cancer patients
By Amerigo Allegretto
Elastography could help with treatment strategies for colorectal cancer patients, a study presented November 26 at the RSNA annual meeting found.
November 26, 2023
Jae Seok Bae, MD, from Seoul National University Hospital presented research at RSNA showing the efficacy of shear-wave elastography in predicting chemotherapy response in colorectal patients.
PCCT bests conventional CT for chest imaging
By Kate Madden Yee
PCCT improves the contrast-to-noise ratio of vascular structures imaged on chest CT when compared with conventional CT and reduces radiation dose.
November 26, 2023
2023 11 26 Mc Cormick Place
3 AI-based technology trends on display at the 2023 RSNA conference
By Vincent Chan
Vincent Chan of Carestream predicts technology trends for AI in digital radiography at RSNA 2023.
November 22, 2023
Vincent Chan.
USPSTF-recommended screening leads to less cancer burden
By Amerigo Allegretto
Increasing use of recommended screening strategies could reduce the U.S. cancer burden, according to recent research.
November 22, 2023
Breast Mammo 400
MRI reveals brain changes in people with long COVID
By Will Morton
MRI scans have revealed long-lasting microstructural brain changes in patients after COVID-19 infections.
November 22, 2023
Brain regions in which the microstructure was associated with post-COVID-condition associated symptoms. Image courtesy of Alexander Rau, MD.
AI model identifies high-risk lung cancer in nonsmokers
By Will Morton
A group in Boston has validated an AI algorithm that could be useful for identifying nonsmokers who are at high risk of lung cancer, according to a study to be presented at RSNA 2023 in Chicago.
November 22, 2023
An example of a patient frontal chest x-ray showing a subtle nodular opacity (arrow) identified by AI in the right middle lung zone. Axial, noncontrast, low-dose chest CT scan shows a 1.1-cm solid nodule (arrow) in the right lower lobe. Image courtesy of Anika Walia, Boston University
Exo CEO talks POCUS survey results with AuntMinnie.com
By Amerigo Allegretto
Exo CEO Sandeep Akkaraju discussed the findings of a survey on the future of POCUS use with AuntMinnie.com in this video interview.
November 22, 2023
Akkaraju Sandeep Interview
MICI Q4: Radiology administrators positive about imaging growth
By Kate Madden Yee
Radiology administrators are confident diagnostic and interventional radiology will continue to grow as a profit center throughout this year and beyond.
November 22, 2023
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IMV: CT, MRI, ultrasound are the top modalities for predictive maintenance services
By Davin Korstjens
In a new column, Davin Korstjens of IMV Medical Information Division reviews current market trends for predictive maintenance services of diagnostic imaging equipment.
November 21, 2023
Ct Scanner Control Room2 Radiologist
Hip x-rays help screen for osteoporosis in THA patients
By Will Morton
Plain hip x-rays may help screen patients for osteoporosis before they undergo total hip arthroplasty (THA).
November 21, 2023
An example of measurement on plain anterior-posterior x-rays used in the study: canal-bone-ratio CBR-7 cm (Cm/Cc) and CBR-10 cm (Dm/Dc), canal-calcar ratio CCR (Dm/Bm); canal flare index CFI (A/Dm). Image courtesy of Scientific Reports.
Functional MRI shows brain activity prompted by fanaticism
By Kate Madden Yee
Functional MRI shows brain activity sparked by fanaticism, according to a presentation to be delivered at the upcoming RSNA meeting.
November 21, 2023
The contrast of winning and losing in the 'good fanatic brain.' The image shows in warm colors the activity related to a significant victory. The blue scale represents the activation related to a significant loss; this pattern is congruent with the Mentalization Network, which suggests a rationalization process of the pain evoked by the losing scenario. Image and caption courtesy of the RSNA.
Pandemic heightened cancer screening disparities in Canada
By Amerigo Allegretto
The COVID-19 pandemic exacerbated health disparities in breast and colorectal cancer screening.
November 21, 2023
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