Eric Barnes

CT
VC CAD application does well alone and as reader aid
A new investigational computer-aided detection (CAD) application significantly improves the accuracy of virtual colonoscopy interpretation, both as standalone software without a radiologist and in a real-world, multireader environment.
February 14, 2010
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Nuclear Medicine
Study to compare 320-row CT perfusion against SPECT
Following up on the CORE 64 study that tested the value of coronary CT angiography vis-à-vis angiography, researchers have launched a new international trial to compare 320-detector-row CT perfusion to SPECT myocardial perfusion imaging for detecting early coronary artery disease.
February 9, 2010
Nuclear Medicine
Zero calcium score enough to send chest pain patients home
Patients presenting to the emergency room with chest pain who have zero calcium scores on cardiac CT probably can be discharged with a low likelihood of adverse events on follow-up, according to a study published online February 8 in the Annals of Emergency Medicine.
February 9, 2010
CT
One-stop cardiac assessment evolves with dual-source CT
U.S. researchers have used dual-source CT to pull off what only recently would have been impossible: dynamic evaluation of the time-resolved passage of contrast through the myocardium, according to a study published this week in the Journal of Cardiovascular Computed Tomography.
February 9, 2010
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CT
CATCH rules accurately predict which kids need head CT
Canadian researchers have issued a new set of clinical rules for determining which injured children need head CT. They hope the new guidelines could help prevent unnecessary radiation exposure and costs associated with CT overuse, researchers said.
February 8, 2010
CT
BJR: Prospective coronary CTA cuts cancer risk
The use of prospective gating in CT angiography (CTA) scans can dramatically reduce theoretical cancer risks associated with the heart exams -- by as much as 87% over retrospective gating -- according to a new study published online in the British Journal of Radiology.
February 8, 2010
CT
Software enables ultralow-dose CCTA in arrhythmia patients
A new algorithm enables patients with arrhythmias to undergo the kind of ultralow-dose coronary CT angiography (CCTA) imaging once reserved for those with regular heartbeats. The technique paves the way for low-dose scanning in a new population of patients with suspected coronary artery disease.
February 8, 2010
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Nuclear Medicine
Stress perfusion CT adds value to coronary CT angiography
Combined stress perfusion CT imaging not only is feasible, it's potentially valuable for assessing some patients at risk of coronary artery disease in a one-modality imaging procedure, according to a study appearing this month in Radiology.
February 8, 2010
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CT
Editorial: CMS unfairly held VC to higher standard
When the U.S. Centers for Medicare and Medicaid Services (CMS) rejected reimbursement for screening virtual colonoscopy last May, it appeared to hold VC to a higher standard than other screening tests that are already approved, according to an editorial in the Annals of Internal Medicine.
February 4, 2010
CT
320-row perfusion CT shows promise for pancreatic tumors
Perfusion CT with a 320-detector-row scanner offers improved resolution of pancreatic tumors due to its ability to image the entire organ without slice overlap, according to researchers from Berlin and Toronto.
February 4, 2010
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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
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Ghost scans problematic in POCUS trauma exams
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PSMA-PET may require selective use to be cost-effective
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Uffe Jakobsen from UCL University College in Denmark gives a presentation at ECR 2024 explaining how radiologists can better communicate with elderly patients. In this slide, he talks about triadic communication with elderly patients and their accompanying relatives.
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Images in a 55-year-old male patient with a history of hepatitis C virus-related cirrhosis and a 45-mm hepatocellular carcinoma (HCC). Axial (A) precontrast and (B-D) contrast-enhanced CT images in the (B) hepatic arterial, (C) portal venous, and (D) delayed phases show lesion (arrow in B) with rim arterial phase hyperenhancement categorized as LI-RADS category LR-M. (E) Photograph of resected specimen shows a poorly demarcated HCC. (F) Photomicrograph (hematoxylin-eosin stain) reveals a poorly differentiated HCC with microvascular invasion (arrows). Scale bar in F = 600 µm. Intrahepatic recurrence was observed at 14 months after resection. Image courtesy of the RSNA.
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