• No results found

Diffusion Tensor Magnetic Resonance Imaging

Microstructural Brain Development After Perinatal Cerebral White Matter Injury Assessed by Diffusion Tensor Magnetic Resonance Imaging

Microstructural Brain Development After Perinatal Cerebral White Matter Injury Assessed by Diffusion Tensor Magnetic Resonance Imaging

... 5). Infants with evidence of cerebral WM injury had lower Apgar scores (WM injury: 7 of 10 with 1-minute Apgar scores ⬍5, and 4 of 10 with 5-minute Apgar scores ⬍ 6; no WM injury: 9 of 10 with 1-minute and 5-minute Apgar ...

8

Diffusion tensor magnetic resonance imaging and fibre tractography in the brain

Diffusion tensor magnetic resonance imaging and fibre tractography in the brain

... where d is the slice thickness, and x is now a 2D vector in the image plane. In this case the z dimension is already in image space, and a number of such slices can be acquired sequentially at various positions along z ...

173

Anisotropic WM conductivity reconstruction based on diffusion tensor magnetic resonance imaging: a simulation study

Anisotropic WM conductivity reconstruction based on diffusion tensor magnetic resonance imaging: a simulation study

... of Magnetic Resonance Electrical Im- pedance Tomography (MREIT) ...sion Tensor Magnetic Resonance Imaging (DT-MRI) from a healthy human ...one magnetic flux density ...

9

Reduced Fractional Anisotropy on Diffusion Tensor Magnetic Resonance Imaging After Hypoxic-Ischemic Encephalopathy

Reduced Fractional Anisotropy on Diffusion Tensor Magnetic Resonance Imaging After Hypoxic-Ischemic Encephalopathy

... conventional imaging will eventually show moderate or severe WM lesions, those who are more likely to sustain a severe injury will have both decreased ADC and anisotropy in the first week, whereas those with ...

14

Comparison of diffusion tensor imaging by cardiovascular magnetic resonance and gadolinium enhanced 3D image intensity approaches to investigation of structural anisotropy in explanted rat hearts

Comparison of diffusion tensor imaging by cardiovascular magnetic resonance and gadolinium enhanced 3D image intensity approaches to investigation of structural anisotropy in explanted rat hearts

... Measuring the orientations of these architectural fea- tures is important as they have roles in both electro- physiological and biomechanical function in health and disease. Changes in local myocyte orientation and myo- ...

27

Neural Network-Assisted Fiber Tracking of Synthetic and White Matter DT-MR Images

Neural Network-Assisted Fiber Tracking of Synthetic and White Matter DT-MR Images

... of Diffusion Tensor Magnetic Resonance Imaging (DT-MRI) measures the diffusion of hydrogen atoms within water molecules in 3D ...sheets, diffusion anisotropy allows ...

6

Diffusion-Weighted Magnetic Resonance Imaging in Term Perinatal Brain Injury: A Comparison With Site of Lesion and Time From Birth

Diffusion-Weighted Magnetic Resonance Imaging in Term Perinatal Brain Injury: A Comparison With Site of Lesion and Time From Birth

... echoplanar imaging sin- gle-shot DWI technique to obtain 15 slices across the brain in 3 ...and imaging the whole ...use diffusion tensor imaging techniques in this study, but these ...

13

In vivo cardiovascular magnetic resonance diffusion tensor imaging shows evidence of abnormal myocardial laminar orientations and mobility in hypertrophic cardiomyopathy

In vivo cardiovascular magnetic resonance diffusion tensor imaging shows evidence of abnormal myocardial laminar orientations and mobility in hypertrophic cardiomyopathy

... aqueous diffusion through a structurally iso- tropic material [31] They used an elastic gel phantom, periodically indented by a hemi-spherical ...of diffusion through an isotropic material during ...

16

Probing dynamic myocardial microstructure with cardiac magnetic resonance diffusion tensor imaging

Probing dynamic myocardial microstructure with cardiac magnetic resonance diffusion tensor imaging

... the diffusion effects that would be expected for a simple homogeneous elastic material ...observed diffusion orientation differences as reflecting alterations in the underlying myocyte and sheetlet mobility ...

7

Heim, Susanne
  

(2007):


	Statistical Diffusion Tensor Imaging: From Data Quality to Fiber Tracking..


Dissertation, LMU München: Fakultät für Mathematik, Informatik und Statistik

Heim, Susanne (2007): Statistical Diffusion Tensor Imaging: From Data Quality to Fiber Tracking.. Dissertation, LMU München: Fakultät für Mathematik, Informatik und Statistik

... Magnetic resonance diffusion tensor imaging (DTI) allows to infere the ultrastructure of living ...integrate diffusion tensor estimation, regularization and interpolation ...

185

Diffusion tensor imaging with direct cytopathological validation: characterisation of decorin treatment in experimental juvenile communicating hydrocephalus

Diffusion tensor imaging with direct cytopathological validation: characterisation of decorin treatment in experimental juvenile communicating hydrocephalus

... Diffusion tensor imaging (DTI). DTI is a specialised magnetic resonance imaging technique that is used to gain greater appreciation of white matter disease-related ...

15

Combination of diffusion tensor and functional magnetic resonance imaging during recovery from the vegetative state

Combination of diffusion tensor and functional magnetic resonance imaging during recovery from the vegetative state

... The analysis of the second fMRI acquisition (12-months post-ictus, when the patient had regained consciousness) revealed four significant clusters in corti- cal language regions for the [r] ...

10

Intercentre reproducibility of cardiac apparent diffusion coefficient and fractional anisotropy in healthy volunteers

Intercentre reproducibility of cardiac apparent diffusion coefficient and fractional anisotropy in healthy volunteers

... Diffusion tensor cardiac magnetic resonance (DT-CMR) can non-invasively probe tissue microstructure through sensitivity to the small random motions of water mole- cules, and can provide new ...

12

Update on the pathophysiology of cluster headache: imaging and neuropeptide studies

Update on the pathophysiology of cluster headache: imaging and neuropeptide studies

... keywords: imaging studies, voxel-based morphometry, diffusion-tensor imaging, diffusion magnetic resonance imaging, tractography, connectivity, cerebral networks, ...

13

Reproducibility of in vivo diffusion tensor cardiovascular magnetic resonance in hypertrophic cardiomyopathy

Reproducibility of in vivo diffusion tensor cardiovascular magnetic resonance in hypertrophic cardiomyopathy

... Cardiovascular magnetic resonance (CMR) is assuming an increasingly important role in the diagnosis and eva- luation of HCM ...(LGE) imaging and T1-relaxometry; [16,17] and the identification of ...

15

Advanced magnetic resonance imaging (MRI) techniques of the spine and spinal cord in children and adults

Advanced magnetic resonance imaging (MRI) techniques of the spine and spinal cord in children and adults

... advanced magnetic resonance imaging (MRI) techniques used for imaging of the spine and spinal cord in children and ...spine imaging because of anatomical and physical constraints will ...

9

Resting State Functional Magnetic Resonance and Diffusion Tensor Imaging of Hemiplegic Cerebral Palsy Patients Treated with Constraint-Induced Movement Therapy: Predictors and Clinically Correlated Evidence of Neuroplasticity

Resting State Functional Magnetic Resonance and Diffusion Tensor Imaging of Hemiplegic Cerebral Palsy Patients Treated with Constraint-Induced Movement Therapy: Predictors and Clinically Correlated Evidence of Neuroplasticity

... local magnetic field around the vessel is attenuated because the flux of oxygenated hemoglobin has flushed out the paramagnetic dHb resulting in small increase in the local MR signal with potentially high spatial ...

123

Investigating Cortical Changes in Cervical Spondylotic Myelopathy Using Functional Magnetic Resonance Imaging, Proton Magnetic Resonance Spectroscopy and Diffusion Tensor Imaging

Investigating Cortical Changes in Cervical Spondylotic Myelopathy Using Functional Magnetic Resonance Imaging, Proton Magnetic Resonance Spectroscopy and Diffusion Tensor Imaging

... Stringent inclusion criteria, along with rigorous acquisition and post-processing methods are required to reduce data variance. Our pilot study included a sample size of 24 patients, with an attempt to select a ...

166

Persistence homology of networks: methods and applications

Persistence homology of networks: methods and applications

... DTI: Diffusion tensor imaging; EEG: Electroencephalography; FMG: Functional metric graph filtration; fMRI: Functional magnetic resonance imaging; GDP: Gross domestic product; ...

28

Spatial transformations of diffusion tensor magnetic
resonance images

Spatial transformations of diffusion tensor magnetic resonance images

... Ten random affine transformations were generated and applied to the phantom in this way. The transformed data sets are resampled using a nearest neighbor approach (in order to avoid artifacts that might be introduced by ...

9

Show all 10000 documents...

Related subjects