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CT: Page 371

Radiation dose still high on ECRI's technology hazards list
By Cynthia E. Keen
Inappropriate and/or unnecessary radiation dose exposure from CT scans and radiation therapy is still in the top 10 list of health technology hazards published annually by research and consulting group ECRI Institute.
November 15, 2011
AHA: CCTA demonstrates low rate of downstream procedures
By Eric Barnes
For as long as 2.5 years after undergoing coronary CT angiography (CCTA), invasive angiography and revascularization are uncommon, even in patients with significant coronary artery disease at CT, according to a report presented on Tuesday at the American Heart Association (AHA) meeting.
November 15, 2011
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Landauer buys IZI Medical Products
By AuntMinnie.com staff writers
Radiation monitoring firm Landauer announced it has acquired IZI Medical Products of Baltimore for approximately $93 million.
November 14, 2011
JAMA: CCTA leads to downstream costs; RSNA 2011 previews of HIT, US, and MRI
By Brian Casey
November 14, 2011
JAMA: CCTA generates more interventions versus stress testing
By Eric Barnes
An analysis of more than 300,000 Medicare patients being evaluated for heart disease found that those who received coronary CT angiography (CCTA) were more likely to go on to invasive cardiac procedures compared with those who received myocardial perfusion scintigraphy, according to results published in the November 16 Journal of the American Medical Association.
November 14, 2011
CBCT comparable to MRI in classifying breast lesions
By Kate Madden Yee
Wednesday, November 30 | 3:40 p.m.-3:50 p.m. | SSM01-05 | Arie Crown TheaterResearchers at the University of Pittsburgh have found that conebeam CT (CBCT) and MRI are comparable in their ability to classify breast lesions as benign or malignant.
November 14, 2011
Biological liver phantom allows CT and MRA perfusion comparison
By Wayne Forrest
Tuesday, November 29 | 10:30 a.m.-10:40 a.m. | SSG05-01 | Room E353CResearchers at the Mayo Clinic have developed a biological liver phantom for comparing perfusion imaging with contrast-enhanced CT and MR angiography (MRA).
November 14, 2011
Pediatric MRI not always safer than CT
By Eric Barnes
CT versus MRI -- the latter is the obvious choice for children because MRI does not use ionizing radiation, right? Actually, CT can be safer depending on the exam, say researchers eyeing the comparative risks of the modalities.
November 14, 2011
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Open-source software extracts CT exposure metrics
By Cynthia E. Keen
Tuesday, November 29 | 11:50 a.m.-12:00 p.m. | SSG07-09 | S402ABOpen-source software that extracts anatomy-specific CT exposure metrics from existing image repositories will make its debut at this Tuesday scientific session.
November 10, 2011
Dose monitoring software and benchmarking promote CT dose awareness
By Cynthia E. Keen
Monday, November 28 | 12:45 p.m.-1:15 p.m. | LL-INE1215-MOB | Lakeside Learning CenterKeeping score on a monthly basis of radiation doses administered to patients having CT exams has heightened awareness and provided feedback through benchmarking at the Hospital of the University of Pennsylvania.
November 10, 2011
AuntMinnie.com CT Insider
By Eric Barnes
November 9, 2011
Another blow against imaging self-referral; preview of CT sessions at RSNA
By Brian Casey
November 9, 2011
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