Eric Barnes

CT
Testosterone treatment raises levels of heart plaque
A new study using coronary CT angiography reveals that testosterone treatments may increase the risk of heart disease by raising the volume of arterial plaque by 20% among men 65 years and older. More research is needed to assess actual risk, according to a February 21 paper in the Journal of the American Medical Association.
February 21, 2017
2016 12 01 17 10 35 256 Pulmonary Trunk Heart 400
CT
BMJ: Benefits of CT lung cancer screening outweigh dose
Despite the risks of ionizing radiation from CT lung cancer screening, cumulative exposure over a decade remains very low, along with the risk of developing cancer from screening. The benefits of lung screening thus outweigh any potential harms from radiation, concluded Italian researchers writing February 8 in BMJ.
February 15, 2017
2016 12 21 15 11 05 414 Lung Cancer 400
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AuntMinnie.com CT Insider
February 12, 2017
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CT better than echo for aortic annulus before TAVR
Aortic valve replacement may be more accurate when measurements are made with CT versus echocardiography, according to a January 24 paper in Academic Radiology. Coronary CT angiography measurements correlated well with 3D echocardiography results by most measures, making CT a suitable replacement for echo in planning transcatheter aortic valve replacement (TAVR) surgery.
February 12, 2017
2017 02 10 15 45 57 410 Heart 400
Industry News
Optical technique sorts malignant from benign in brain surgery
A new microscopy technique sorts healthy from malignant brain tumors, making surgery safer and more precise, according to the U.S. National Institute of Biomedical Imaging and Bioengineering.
February 10, 2017
2017 02 10 17 06 58 13 Microscopy 300
CT
Coronary calcium predicts events, death, in younger adults
If CT scans detect any amount of coronary artery calcium in people between the ages of 32 and 46 years, they have an exponentially higher risk of cardiovascular events and death later in life, according to a February 8 paper in JAMA Cardiology. Developing a screening strategy for younger people at risk should be a priority.
February 8, 2017
2016 12 01 17 10 35 256 Pulmonary Trunk Heart 400
Advanced Visualization
Machine-learning analysis of heart motion predicts survival
A machine-learning survival model based on 3D cardiac motion predicts outcomes beyond conventional risk factors in patients with pulmonary hypertension, according to a new study from the U.K. and Singapore. Semiautomated analysis of the cine MR images could potentially be used to guide patient management.
February 8, 2017
2017 02 07 12 37 55 292 2017 02 08 Machine Learning Thumb
CT
CT lung screening cost-effective with stringent criteria
Restricting eligibility for CT lung cancer screening to the heaviest smokers would make the exam more cost-effective on a population basis, according to a study published February 7 in PLOS Medicine.
February 7, 2017
2016 08 02 15 17 42 85 Lungs Red Body 400
Advanced Visualization
Virtual coaching takes on x-ray training
A New Zealand start-up called Virtual Medical Coaching aims to reinvent radiographer and radiologic technologist training by making it more virtual, more personalized, more flexible, and above all more relevant for students.
February 2, 2017
2017 02 01 11 48 26 272 Hayes Virtual Patient Ankle 400
CT
Smokers not picking up the CT lung screening habit
Low-dose CT lung cancer screening may be reimbursed by insurance now, but you'd hardly know it by the low numbers of high-risk smokers taking advantage of it, according to a February 2 research letter in JAMA Oncology.
February 2, 2017
2017 02 01 16 41 06 305 Lungs Smoke 400
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Women who skip first mammogram more likely to die of breast cancer
Women who do not participate in their first breast cancer screening are 40% more likely to die later from the disease.
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Study finds AI not cost-effective for breast cancer screening
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ACS: Cancer survival rates are lower in rural areas
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Save power, curb carbon by switching off surplus CT scanners
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Neuroradiology still lacks gender, racial/ethnic diversity
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Despite efforts, national data show that gender and racial/ethnic disparities persist in neuroradiology.
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Bayer pivots away from AI platform business
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Bayer is discontinuing its Calantic Digital Solutions platform as well as products and services from its Blackford Analysis subsidiary.
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PET use increasing in diagnosing cardiac device infections
By Will Morton
Integrating F-18 FDG-PET into standardized diagnostic protocols could enhance early detection of cardiac device-related infections.
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ISCT: CT is an ideal imaging modality for cardiometabolic screening
By Kate Madden Yee
Tracking biomarkers on CT could help clinicians better predict patient outcomes.
September 5, 2025
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ISCT: Radiologists can help reduce iodinated contrast media waste
By Amerigo Allegretto
Radiologists can take proactive measures in reducing iodinated contrast media waste, according to an ISCT presentation.
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ISCT: Mayo Clinic expert outlines how best to allocate PCCT resources
By Liz Carey
A Mayo Clinic radiologist discusses overcoming photon-counting CT (PCCT) operational challenges.
September 5, 2025
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PET tracer shows promise in patients with neuroblastoma
By Will Morton
The PET tracer performed better than standard SPECT imaging with iodine-123 metaiodobenzylguanidine.
September 4, 2025
I-123 MIBG–negative and F-18 MFBG–positive scans showing multiple lesions in 9-year-old male with relapsed high-risk, multiple-relapse neuroblastoma (stage IV disease) receiving chemoimmunotherapy. (A) I-123 MIBG uptake is seen in lower lumbar vertebrae (arrows). Positive uptake with F-18 MFBG PET (B; black arrows) in skull, spine, pelvic bones, femora, and left tibia (B and C; blue and white arrows). Bone marrow biopsy was positive for disease. Follow-up I-123 MIBG imaging (D; left) and spine MRI (D; right) performed six weeks later showed diffuse disease in skull and spine, corresponding to F-18 MFBG–avid sites.
ISCT: 2022 ICM shortage was a 'wake-up call.' Did we listen?
By Kate Madden Yee
In 2022, the global supply chain for ICM was disrupted by COVID lockdowns -- and this kind of crisis will likely occur again.
September 4, 2025
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Radiology world mourns death of Leonard Berlin
By Amerigo Allegretto
The radiology world is mourning the death of Leonard Berlin, MD, a leading voice on the intersection between medicine and malpractice.
September 4, 2025
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Revealed: The cause of CT safety incident in Belgium
By Edna Astbury-Ward, PhD
A single bottle of contaminated contrast agent was the cause of eight patients' illness after undergoing CT in Belgium.
September 4, 2025
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Agentic AI as the new infrastructure for interoperability
By Rishi Nayyar
Agentic AI can improve interoperability in imaging, according to a column by PocketHealth Co-founder and CEO Rishi Nayyar.
September 3, 2025
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AI interpretation leads to high NPV, recall rates in breast imaging
By Amerigo Allegretto
In a new study, an AI system reached near-perfect negative predictive value (NPV) in breast imaging but almost doubled the recall rate.
September 3, 2025
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