نتایج جستجو برای: dimensional ultrasonography
تعداد نتایج: 441598 فیلتر نتایج به سال:
BACKGROUND Four-dimensional computed tomography (4D-CT) provides both functional and highly detailed anatomic information about parathyroid tumors. The purpose of this study was to compare 4D-CT with sestamibi imaging and ultrasonography as methods for the accurate preoperative localization of hyperfunctioning parathyroid glands before parathyroidectomy. METHODS A study of 75 patients with pr...
INTRODUCTION Two dimensional (2-D) ultrasonography is a particularly well-adapted tool for exploring soft tissue in reptiles (liver, kidney, bladder, genital system, heart and large blood vessels at the base of the heart, as well as the digestive tract) 4,5,6,8,9,10,12,13,14,15. Unlike radiography, it can differentiate various soft tissue structures and provide information regarding organ locat...
Background: Salivary glands (SGs) are usually irradiated during radiotherapy for head and neck cancers, which may lead to radiation-induced changes. These changes could be evaluated safely by ultrasonography; however, there have been few studies in this regard. Thus, we aimed to investigate the changes in post-radiotherapy submandibular glands using ultrasonography in patients undergoing head-n...
Chang CH, Chang FM, Yu CH, Liang RI, Ko HC, Chen HY. 2000. Fetal ear assessment and prenatal detection of aneuploidy by the quantitative three-dimensional ultrasonography. Ultrasound Med Biol 26: 743–749. Chang LW, Chang FM, Chang CH, Yu CH, Cheng YC, Chen HY. 2002. Prenatal diagnosis of fetal multicystic dysplastic kidney with two-dimensional and three-dimensional ultrasound. Ultrasound Med Bi...
PURPOSE The aim of this study was to validate a computational fluid dynamics (CFD) simulation of flow-diverter treatment through Doppler ultrasonography measurements in patient-specific models of intracranial bifurcation and side-wall aneurysms. METHODS Computational and physical models of patient-specific bifurcation and sidewall aneurysms were constructed from computed tomography angiograph...
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