CT Digital Community
Radiation dose safety: Filtering the message from the noise
April 18, 2014 -- Patient radiation dose safety is a hot topic in the imaging industry and media. But as often happens when a subject is hot, the radiation safety information pool has become muddied with disparate and conflicting information. Neil Singh from Ascendian Healthcare Consulting helps filter the true message in radiation safety from the industry noise.
Lung cancer screening reduces mortality in COPD patients
April 17, 2014 -- Lung cancer screening with CT and spirometry delivers a high rate of diagnosis of early-stage lung cancers and reduces mortality in individuals with mild to moderate chronic obstructive pulmonary disease (COPD), according to a pilot study in Respiratory Medicine.
CCTA shows that HIV patients have more noncalcified plaque
April 4, 2014 -- Patients with HIV infection are more prone to potentially dangerous noncalcified coronary plaque than similar uninfected individuals, according to a study that used coronary CT angiography (CCTA). Results were published in the April 1 issue of Annals of Internal Medicine.
Residents do fine reading CT triple rule-out exams
April 4, 2014 -- Residents can safely perform triple rule-out CT exams when onsite or on-call subspecialty radiologists aren't available -- at least at the Medical University of South Carolina (MUSC) in Charleston, SC -- according to a study presented at ECR 2014 in Vienna.
NLST data show lung cancer screening is ready
April 1, 2014 -- Myriad details remain to be ironed out, but the massive National Lung Screening Trial (NLST) has all the evidence it needs to recommend CT lung cancer screening for long-term smokers, according to a presentation by principal NLST investigator Dr. Denise Aberle at ECR 2014.
FDA: Radiology device recalls skyrocketed after 2010
March 27, 2014 -- The number of radiology devices recalled by the U.S. Food and Drug Administration skyrocketed after 2010 due to concerns over patient exposure to radiation following several high-profile radiation accidents.
NLST analysis: More smoking means more lung cancer
March 21, 2014 -- People with longer smoking histories -- twice as long as those in the 30-pack-year sweet spot for CT lung screening -- have nearly twice the odds of presenting with lung cancer at CT screening, according to a study presented at ECR 2014 by researchers from Ohio.
VA probe clears Fla. health system of whistleblower charges
March 21, 2014 -- An investigation into complaints about medical imaging services at a U.S. Department of Veterans Affairs (VA) health system serving northern Florida and southern Georgia has been resolved without any major irregularities discovered, and the VA has closed the case without taking any action.
CT perfusion useful for evaluating small esophageal tumors
March 19, 2014 -- CT perfusion can be used to evaluate esophageal cancers with small tumor diameters that are not amenable to assessment with PET/CT, according to a new study by Turkish researchers presented at ECR 2014 earlier this month.
Study finds overutilization of imaging for headache in U.S.
March 18, 2014 -- Despite guidelines to control the use of CT and MRI for headaches and migraines, neuroimaging procedures are overused and cost an estimated $3.9 billion between 2007 and 2010, according to a study published online March 17 in JAMA Internal Medicine.
Heart rate jumps with CT contrast agent
March 10, 2014 -- VIENNA - Faster heart rates are the last thing radiologists want with coronary CT angiography. But that's apparently what they get when using a contrast agent with a slightly higher iodine concentration, according to a Monday presentation at ECR 2014.
New model for CKD screening cuts eGFR redundancies in half
March 9, 2014 -- VIENNA - Because of the proportion of false positives in predicting chronic kidney disease (CKD) in patients undergoing contrast-enhanced CT, the current combination of all risk factors is inaccurate, delegates at ECR 2014 learned. A less elaborate model cuts estimated glomerular filtration rate (eGFR) redundancies by 50%.
Multimodality vendors launch scanners at ECR 2014
March 9, 2014 -- VIENNA - In the past, ECR languished in the shadow of Chicago's RSNA show when it came to new product introductions. But ECR is slowly coming into its own, as indicated by new product launches from the major multimodality companies at this week's congress.
CT scanners show better agreement on risk than on CAC scores
March 9, 2014 -- VIENNA - State-of-the-art CT scanners produce widely divergent coronary artery calcium (CAC) scores, but at least they substantially agree on the risk levels of individuals undergoing the scans, according to a Saturday presentation at ECR 2014. However, even the risk agreement isn't strong enough.
European lung screening: Proceed with caution
March 8, 2014 -- VIENNA - Europe might not be ready to start screening all high-risk individuals for lung cancer, according to Friday talks at ECR 2014 that addressed the question from both the U.S. and European perspectives.
CT features don't predict cardiac risk in lung screening patients
March 7, 2014 -- VIENNA - Spirometry and pulmonary CT parameters aren't helpful for predicting cardiac events in screening participants, even though such markers are independently associated with cardiovascular events in the lung cancer screening population as a whole, according to researchers from the Netherlands.
Siemens launches Somatom Scope CT scanner at ECR 2014
March 6, 2014 -- At this week's ECR in Vienna, German multimodality vendor Siemens Healthcare is launching a new 16-slice economy-level CT scanner, called Somatom Scope, that's designed to minimize operating costs.
CT protocol review calls for consistency, teamwork
March 3, 2014 -- Refining your CT protocols is a great way to accomplish a number of goals, including radiation dose reduction, workflow efficiency, and meeting new accreditation requirements. A team approach is best for the task, according to a new article that offers guidance in the March Journal of the American College of Radiology.
JACR: CT lung screening possible in community setting
February 27, 2014 -- A successful community hospital low-dose CT lung screening program is feasible and can be put in place relatively quickly, according to an article published online in the Journal of the American College of Radiology.
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