News tagged with ct perfusion
A useful imaging modality for monitoring treatment response to hepatocellular carcinoma
Oct 31, 2008 |
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TACE has been widely accepted as a choice of treatment for advanced HCC. CT perfusion is a non-invasive and reproducible technique for assessing perfusion changes due to TACE therapy for locally advanced HCC. However, there ...
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Comprehensive cardiac CT scan may give clearer picture of significant heart disease
Sep 15, 2009 |
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A team of researchers led by Massachusetts General Hospital (MGH) radiologists has developed a computed-tomography-based protocol that identifies both narrowing of coronary arteries and areas of myocardial ischemia - restricted ...
Hybrid scanner brings molecular functioning to the forefront
Jun 15, 2009 |
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A major barrier to developing a hybrid positron emission tomography (PET)/magnetic resonance (MR) imaging system could be removed by using a novel approach for reconstructing data, according to researchers at SNM's 56th Annual ...
Study: CT scans rule out heart attacks faster
Nov 18, 2009 |
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(AP) -- A new study suggests that a type of "super X-ray" can give a faster, cheaper way to tell whether a chest pain sufferer is really having a heart attack.
Clearing the way for detecting pulmonary embolism
Dec 01, 2009 |
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When it comes to diagnosing pulmonary embolism—a sudden blockage in the lung artery that could be deadly if not treated—which technique is the most effective? Research published in the December issue of The Journal of Nu ...
Low-dose CT method, delivering 50 percent less radiation, correctly identifies patients with appendicitis
Jul 22, 2009 |
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Patients with possible appendicitis are typically evaluated using a standard-dose contrast enhanced CT, but a low-dose unenhanced CT that delivers approximately 50% less radiation is just as effective, according to a study ...
CT scans increase cancer risk estimates in multiply-imaged emergency department patients
May 05, 2009 |
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Physicians should review a patient's CT imaging history and cumulative radiation dose when considering whether to perform another CT exam, according to researchers at Brigham and Women's Hospital, Boston, MA, and Washington ...
CT scans better than X-rays when detecting abnormalities in patients with H1N1 virus
Oct 21, 2009 |
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Computed tomography (CT) scans are better than standard radiography (X-rays) in showing the extent of disease in patients with the H1N1 virus, according to a study to be published online Oct. 21, 2009, in the American Jo ...
Cardiac CT is more cost effective when managing low-risk patients with chest pain
Jul 09, 2009 |
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The use of cardiac CT for low-risk chest pain patients in the emergency department, instead of the traditional standard of care (SOC) workup, may reduce a patient’s length of stay and hospital charges, according to a study ...
Radiologists find a technique to significantly reduce patient radiation dose during CT angiography
Sep 21, 2009 |
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Radiologists have discovered that prospective electrocardiogram (ECG) gating allows them to significantly reduce the patient radiation dose delivered during computed tomography (CT) angiography, a common noninvasive technique ...
Radiation dose can be reduced for 'triple rule-out' coronary CT angiography
Apr 03, 2009 |
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Physicians can dramatically reduce the radiation dose delivered to patients undergoing coronary CT angiography in a "triple rule-out" protocol by simply using tube current modulation, according to a study performed at Thomas ...
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