EP-2055 Impact of patient-specific MRI distortion correction for stereotactic cranial target definition
نویسندگان
چکیده
منابع مشابه
An image correction protocol to reduce distortion for 3-T stereotactic MRI.
BACKGROUND Image distortion limits application of direct 3-T magnetic resonance imaging for stereotactic functional neurosurgery. OBJECTIVE To test the application of a method to correct and curtail image distortion of 3-T magnetic resonance images. METHODS We used a phantom head model mounted on a platform with the dimensions and features of a stereotactic frame. The phantom was scanned wi...
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15 صفحه اولComparison of EPI Distortion Correction Methods in Diffusion Tensor MRI
Introduction Diffusion weighted images (DWIs) used for Diffusion Tensor (DT) calculation are commonly acquired with Echo-planar imaging (EPI). Unfortunately, EPI is very sensitive to magnetic field (B0 ) inhomogeneities, which result in local geometric distortions in regions close to air-tissue interfaces. These distortions degrade the anatomical accuracy of DT-MRI maps and potentially increase...
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ژورنال
عنوان ژورنال: Radiotherapy and Oncology
سال: 2019
ISSN: 0167-8140
DOI: 10.1016/s0167-8140(19)32475-2