2020年10月2日 · Quantitative magnetic resonance imaging (QMRI) techniques of magnetization transfer ratio (MTR) and diffusion tensor imaging (DTI) provide microstructural information about the spinal cord. Compare neurologic grades using the modified Frankel scale with MTR and DTI measurements in dogs with thoracolumbar intervertebral disk herniation (IVDH).

2020年8月18日 · Diffusion tensor imaging (DTI) provides a thorough anatomical overview of the white matter in terms of diffusion anisotropy and fiber orientation (Reinges et al., 2004; Yamada et al., 2008). The diffusion direction of fractional anisotropy can be traced across voxels to estimates fiber pathways (Basser et al., 2000).

2014年10月6日 · Diffusion-weighted imaging assumes that water diffusivity is represented by an ellipsoid tensor in each voxel, that determines the main direction of diffusion, apparent diffusion coefficient (ADC), and fractional anisotropy (FA); this method is known as DTI. 3, 4, 16 Diffusion tensor imaging is a relatively new MRI method that has been used ...

2021年8月19日 · Degenerative myelopathy (DM) in dogs shares similarities with superoxide dismutase 1-associated human amyotrophic lateral sclerosis (ALS). Brain microstructural lesions are quantified using diffusion tensor imaging (DTI) in ALS patients. Characterize brain neurodegenerative changes in DM-affected dogs using DTI.

Magnetic resonance imaging (MRI) diffusion tensor imaging (DTI) measures have been described as methods for quantifying spinal cord injury and predicting outcome in dogs with intervertebral disc herniation (IVDH); however, studies comparing methods for selecting regions of interest (ROIs) are curren …

2016年9月27日 · Diffusion tensor imaging (DTI) is an MRI technique that provides a quantitative measurement of the microscopic motion of water molecules, thus allowing for the examination of the microstructural environment. The diffusion of water is hindered by structures such as cell membranes and, especially, myelinated axons.

Objective: Compare neurologic grades using the modified Frankel scale with MTR and DTI measurements in dogs with thoracolumbar intervertebral disk herniation (IVDH). Animals: Fifty-one dogs with thoracolumbar IVDH.

2017年2月28日 · Fiber tractography is a technique capable of depicting the three-dimensional structure and connectivity of nerve fibers using serial magnetic resonance diffusion tensor imaging (DTI). To establish fiber tractography and DTI methods in veterinary clinical medicine, we evaluated fiber tractography and …

2023年1月1日 · Diffusion tensor imaging (DTI) is a specialized imaging technique that measures the strength and vector of water molecule movement, which is analyzed using a variety of parameters. This method has the potential to depict pathological conditions that cannot be studied using conventional magnetic resonance imaging methods.

2020年7月29日 · Tractography, a noninvasive technique tracing brain pathways from diffusion tensor magnetic resonance imaging (DTI) data, is increasingly being used for brai...