نتایج جستجو برای: elasticity imaging techniques
تعداد نتایج: 1055913 فیلتر نتایج به سال:
According to the increasing need for accurate staging of hepatic fibrosis, the ultrasound (US) elastography techniques have evolved significantly over the past two decades. Currently, US elastography is increasingly used in clinical practice. Previously published studies have demonstrated the excellent diagnostic performance of US elastography for the detection and staging of liver fibrosis. Al...
Purpose To evaluate and compare the mesenteric and bowel wall changes during Crohn's disease (CD) on ultrasonography (US) Strain Elastography (SE) and Enterography Magnetic Resonance Imaging (E-MRI). Methods From July 2014 to September 2016, 35 patients with ileocolonoscopy diagnosis of CD were prospectively examined with E-MRI and in the same time with US and SE. Results A total of 41 affe...
Miloš Gašić1, Sava Stajić2, Biljana Vitošević3, Predrag Mandić1, Jasmina Ćirić4,5, Dorentina Bexheti6, Milan Milisavljević5, Zdravko Vitošević1 1University of Priština, Institute of Anatomy, Faculty of Medicine, Kosovska Mitrovica, Serbia; 2University Clinical Center "Dr. Dragiša Mišović – Dedinje”, Department for Radiological Diagnostics, Belgrade, Serbia; 3University of Priština, Faculty of S...
E. M. Godfrey, A. S. Krishnan, S. E. Davies, N. M. Griffin, G. J. Alexander, M. E. Allison, A. E. Gimson, W. H. Griffiths, and D. J. Lomas Department of Radiology, Addenbrooke's Hospital, Cambridge, Cambridgeshire, United Kingdom, Department of Histopathology, Addenbrooke's Hospital, Cambridge, Cambridgeshire, United Kingdom, Department of Radiology, St Thomas' Hospital, London, Department of H...
Background: The feasibility of using elasticity imaging techniques for high–intensity–focused–ultrasound (HIFU) ablation monitoring and assessment has been previously demonstrated both in vitro and in vivo (e.g. [1,2]). Nonetheless, effective use of these techniques requires quantitative assessment of the changes in the mechanical properties of the ablated tissue during the treatment process. T...
A set of three cubic one-litre phantoms containing spherical simulated lesions was produced for use in comparing lesion detection performance of different elastography systems. The materials employed are known to be stable in heterogeneous configurations regarding geometry and elastic contrast identical with (storage modulus of lesion material) / (storage modulus of background material), and re...
While breast biopsy remains the gold standard for diagnosis of suspicious lesions, a large proportion of biopsy specimens reveal a benign result. Therefore, a noninvasive and reliable method to identify low-risk lesions will be a valuable tool. Ultrasound has been an important imaging technique for detecting breast tumors. As opposed to the conventional BrightnessMode image, strain elastography...
Recently, Elastography has been introduced for prostate cancer imaging. Elastography is an imaging technique that evaluates the elasticity of the tissue. Krouskop et al. reported that cell density was greater in neoplastic tissue, which causes a change in tissue elasticity / stiffness. Ophir et al. first described the principle of this technique in 1991. To reduce the time-consuming calculation...
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