نتایج جستجو برای: multidetector
تعداد نتایج: 4206 فیلتر نتایج به سال:
BACKGROUND Asthma-chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) is associated with rapid decline in lung function, poorer health-related quality-of-life outcomes, and frequent exacerbations, compared to COPD alone. Although the numbers of patients with ACOS have increased, there is little established evidence regarding diagnostic criteria and treatment options. Thus, the ...
Purpose To determine whether gross tumor volume of resectable gastric adenocarcinoma on multidetector computed tomography could predict presence of lymphovascular invasion and T-stages. Results Gross tumor volume increased with the lymphovascular invasion (r = 0.426, P < 0.0001) and T stage (r = 0.656, P < 0.0001). Univariate analysis showed gross tumor volume could predict lymphovascular inv...
PURPOSE To compare the characteristics of tubercular vs. leukemic involvement of abdominopelvic lymph nodes using multidetector computed tomography (CT). MATERIALS AND METHODS We retrospectively reviewed multidetector computed tomography features including lymph node size, shape, enhancement patterns, and anatomical distribution, in 106 consecutive patients with newly diagnosed, untreated tub...
BACKGROUND Bicuspid aortic valve (BAV) is regarded as a relative contraindication to transcatheter aortic valve implantation attributable to the risk of uneven expansion of the bioprosthesis. The purpose of this study was to evaluate the efficacy and safety of transcatheter aortic valve implantation in patients with BAV. METHODS AND RESULTS Of 470 patients included in our prospective transcat...
Arrhythmogenic right ventricular dysplasia (ARVD) is diagnosed using established criteria, and those based on imaging data are of essential importance. Magnetic resonance imaging was performed in a 63-year-old male smoker with hypertension and dilated cardiomyopathy. The study showed dilation of the right ventricle (RV) (Fig. 1A), with severe dysfunction, areas of wall akinesia, and aneurysms. ...
Multidetector computed tomography (MDCT) provides 3-dimensional noninvasive visualization of the coronary arterial tree. We compared MDCT with intravascular ultrasound (IVUS) for assessment of severity of coronary artery stenosis and composition of atherosclerotic plaques in 40 patients (32 men; mean age 52 years, range 33 to 86) with documented coronary artery disease. Cross-sectional images o...
Pseudoaneurysms secondary to pancreatitis, acute or chronic, are a rare complication (reported incidence in a range from 1.3% to 10%), potentially lethal. An early detection and intervention, either surgical or by minimally invasive interventional procedure, is vital for the patient. Multidetector Computed Tomography is the gold standard for the diagnosis. SCIREA Journal of Clinical Medicine ht...
Cystic adenomatoid malformation is a rare pulmonary hamartomatous lesion, of an unknown etiology. Report a singular case of CAM of one newborn, with marked respiratory distress. Using different method (chest X-ray, Multidetector row CT associated at multiplanar and three-dimensional reconstructions), we obtained an accurate diagnosis of site and nature, critical for a correct therapeutic approach.
The WASA 4π multidetector system, aimed at investigating light meson production in light ion collisions and η meson rare decays at the CELSIUS storage ring in Uppsala is presented. A detailed description of the design, together with the anticipated and achieved performance parameters are given.
Reoperative cardiac surgery is becoming more common surgery although it carries significant risk due to possible injury to vital structures under the sternum. Three-dimensional multidetector computed tomographic angiography (3-D MDCTA) allows identifying the relationship between the sternum and the mediastinal structures. Evidence shows that 3-D MDCTA guides surgical strategy and enables to per...
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