Eric Barnes

CT
Motion and contrast problems spoil CTPA most often
Multidetector-row CT scanners have increased the accuracy of CT pulmonary angiography (CTPA) to 90% and higher for detecting pulmonary embolism, triaging patients in the emergency room, and ultimately sparing lives. In the small percentage of indeterminate CTPA findings, however, motion artifacts and contrast delivery are usually to blame, according to researchers in France.
October 18, 2005
CT
VC safe, surveys show, but not without incident
BOSTON - Is virtual colonoscopy safe? Two new surveys covering nearly 40,000 patients on both sides of the Atlantic reveal that VC is substantially safer than colonoscopy, but not risk-free, according to presentations yesterday at the International Symposium on Virtual Colonoscopy.
October 17, 2005
CT
VC researchers urge more training
Research suggests that adequate training is required to properly interpret virtual colonoscopy data, though the amount of training needed remains unknown. In a recent editorial in Radiology, leading VC researchers stated that, even though the precise relationship between training and performance has yet to be spelled out, training must be made a priority in the meantime.
October 16, 2005
CT
New VC reading schemes could solve old problems
Forget 2D versus 3D. Creative types are working hard on new virtual colonoscopy visualization tools that go beyond simple fly-through endoscopic visualization, a technique that mimics the charming but limited view of the colonoscope.
October 12, 2005
2005 10 12 16 31 28 706
CT
In phantom, MDCT edges EBT for calcium detection
Both 16-slice MDCT and electron beam tomography (EBT) performed well in a phantom face-off, but MDCT had a significant advantage in detecting small amounts of coronary artery calcium, according to researchers from Hiroshima University Hospital in Japan.
October 10, 2005
CT
'Filet view' VC software slices reading time
A novel virtual colonoscopy viewing method garnered mixed results in a European pilot study. Overall sensitivity was a little lower compared to results with standard endoluminal viewing, but the prototype system slashed interpretation time from 38 minutes down to about 10 minutes per case.
October 5, 2005
2005 10 05 15 21 56 706
Cardiac Imaging
AuntMinnie.com Cardiac Imaging Radiology Insider
October 2, 2005
CT
Colon screening set to benefit from new techniques
SAN FRANCISCO - Hundreds of family physicians jammed a lecture room at the Moscone Center Saturday to hear about new techniques and controversies in colorectal cancer screening at the American Academy of Family Physicians (AAFP) meeting.
October 2, 2005
CT
Caution: U.S.A. may be hazardous to your health
A study based on data from the Multi-Ethnic Study of Atherosclerosis (MESA) trial found that being born in the U.S. -- and living there -- could be hazardous to your health. Specifically, being born in the U.S. and spending time in the fast-food nation are associated with the extent of calcification in people with CT-detected coronary artery calcium.
October 2, 2005
CT
Grown-up decisions: When is MDCT the best choice in children?
No one wants to expose a child to radiation needlessly -- certainly not for cases in which ultrasound and MRI can provide a reliable diagnosis without the radiation risks that are substantially higher in younger patients. But for applications in which high resolution or speed are paramount, some radiologists are finding MDCT to be the best alternative.
September 29, 2005
2005 09 23 15 50 11 706
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Molecular Imaging
PET predicts faster cognitive decline in women than men
Women initially outperformed men at low brain tau levels, but the advantage diminished as tau levels increased over time.
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MRI
Unclear explanations of contrast MRI exams heighten patient anxiety
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Womens Imaging
Mammography screening improves survival for late-stage cancers
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