Results 11 to 20 of about 3,370,652 (304)
Diffusion-Weighted Genitourinary Imaging
Urologic Clinics of North America, 2017 This review article aims to provide an overview on of diffusion-weighted MR imaging (DW-MR imaging) in the urogenital tract. Compared with conventional cross-sectional imaging methods, the additional value of DW-MR imaging in the detection and further characterization of benign and malignant lesions of the kidneys, bladder, prostate, and pelvic lymph ...
Maurer, Martin +2 more
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Polish Journal of Pathology, 2017 The aim of the study was to assess the relationship between the apparent diffusion coefficient in diffusion-weighted magnetic (DWM) resonance imaging (MRI) and selected morphological parameters of the breast lesions.
Tomasz Pawlik, Janusz Ryś
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Diffusion Weighted Imaging [PDF]
, 2020 Diffusion-weighted imaging (DWI) enables the MRI visualization of molecular movements of water in biological tissues. Molecular diffusion in vivo reflects interactions with macromolecules, fibres and membranes. Water molecule diffusion patterns can therefore reveal microscopic details about tissue architecture that cannot be appreciated otherwise.
Tarini Ratneswaren, Tomasz Matys
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Advances in Diffusion-Weighted Imaging [PDF]
Radiologic Clinics of North America, 2015 Diffusion-weighted imaging (DWI) has become a routine component of clinical MR imaging. Its unique soft tissue contrast mechanism exploits differences in the motion of water molecules in vivo at a biologically meaningful scale. The clinical potential of DWI in lesion detection, characterization, and response assessment has been explored.
Mannelli, Lorenzo +3 more
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Finsler geometry on higher order tensor fields and applications to high angular resolution diffusion imaging. [PDF]
, 2009 We study 3D-multidirectional images, using Finsler geometry. The application considered here is in medical image analysis, specifically in High Angular Resolution Diffusion Imaging (HARDI) (Tuch et al. in Magn. Reson. Med.
Florack, L.M.J. +9 more
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Diffusion-weighted imaging in epilepsy
Magnetic Resonance Imaging, 1995 Diffusion-weighted imaging (DWI) is a relatively new magnetic resonance imaging (MRI) technique that can be used to probe the microenvironment of water. Contrast in DWI depends on properties different from traditional T1 and T2 contrast, and is derived form the translational motion of water molecules.
J A, Helpern, N, Huang
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A method for improving the performance of gradient systems for diffusion-weighted MRI [PDF]
, 2007 The MR signal is sensitive to diffusion. This effect can be increased by the use of large, balanced bipolar gradients. The gradient systems of MR scanners are calibrated at installation and during regular servicing visits.
Daniel C. Alex +11 more
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Distortion in Diffusion Weighted Imaging
Japanese Journal of Radiological Technology, 2009 The definitional equation of the distortion of echo planar imaging(EPI)was examined. We compared measured values with calculated values by using the definitional equation of the chemical shift of the EPI method that first composed the diffusion-weighted image, and examined the possibility of applying it to the distortion.
Takahashi, Mitsuyuki +8 more
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Radiology Case Reports, 2022 The hemostatic effect of radiation therapy on gastric cancer with bleeding is known. However, blood tests and endoscopes are mainly used to determine the therapeutic effect.
Osamu Tanaka, MD +7 more
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Boosting BOLD fMRI by K-Space density weighted echo planar imaging [PDF]
, 2013 Functional magnetic resonance imaging (fMRI) has become a powerful and influential method to non-invasively study neuronal brain activity. For this purpose, the blood oxygenation level-dependent (BOLD) effect is most widely used. T2* weighted echo planar
Andreas J Bartsch +14 more
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