نتایج جستجو برای: contrast medium
تعداد نتایج: 615750 فیلتر نتایج به سال:
Clinical tolerance to the myelographic contrast media metrizamide and iopamidol was evaluated in 26 and 30 patients, respectively, with a battery of neuropsychologic tests before and after myelography in a randomized, double-blind prospective study. Twenty hospitalized patients with chronic back pain were also studied before and after computed tomography to serve as controls relative to the gro...
PURPOSE Developed herein is a three-dimensional (3D) flow contrast imaging system leveraging advancements in the extension of laser speckle contrast imaging theories to deep tissues along with our recently developed finite-element diffuse correlation tomography (DCT) reconstruction scheme. This technique, termed speckle contrast diffuse correlation tomography (scDCT), enables incorporation of c...
Introduction Non-invasive venography to cover the entire neck and thoracic central venous system in one examination is challenging. MR venography is ideal for coverage but the technique is difficult as the majority of contrast media are extracellular agents that rapidly leave the vascular pool. Time resolved serial acquisition methods have improved but image quality may be suboptimal and they a...
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