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 ...
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 ...
Angled gantry technique reduced breast radiation exposure by 50 percent
Dec 04, 2008 |
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A novel angled gantry approach to coronary CT angiography reduced radiation exposure to the breast by more than 50%, according to Thomas Jefferson University researchers.
Combination of PET/CT tests can expedite diagnosis of lung cancer in a fast-track setting
Oct 01, 2009 |
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Research published in the October 2009 issue of the Journal of Thoracic Oncology has found an effective combination of positron emission tomography (PET)/computed tomography (CT) (PET/CT) tests to diagnose lung cancer in a " ...
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