INMR REGISTRATION REGISTRATION
arterial spin labeling (ASL) MR perfusion The current work on MR-CT deformable registration is initialized by a rigid pre-registration, which is essential for the proper convergence of the deformable registration.dynamic contrast enhanced (DCE) MR perfusion.dynamic susceptibility contrast (DSC) MR perfusion.metal artifact reduction sequence (MARS).turbo inversion recovery magnitude (TIRM).fluid attenuation inversion recovery (FLAIR).diffusion tensor imaging and fiber tractography.MRI pulse sequences ( basics | abbreviations | parameters).iodinated contrast-induced thyrotoxicosis.iodinated contrast media adverse reactions.clinical applications of dual-energy CT.as low as reasonably achievable (ALARA).slice-overlap artifact (also known as cross-talk artifact)įourier transform and Nyquist sampling theorem.aliasing artifact (also known as wrap around artifact).Many artifacts have a characteristic appearance and with experience they can be readily identified. Remember that artifacts are not all bad, and that occasionally they are intentionally exploited, e.g.
Hardware issues may cause central point and RF overflow artifacts. Characteristics of pulse sequences may cause black boundary, Moiré, and phase-encoding artifacts. Finite sampling, k-space encoding, and Fourier transformation may cause aliasing and Gibbs artifact.
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Some artifacts affect the quality of the MRI exam while others do not affect the diagnostic quality but may be confused with pathology. If any questions arise related to the information contained in the translated website, please refer to the English version.MRI artifacts are numerous and give an insight into the physics behind each sequence. Any discrepancies or differences created in the translation are not binding and have no legal effect for compliance or enforcement purposes. The web pages currently in English on the DMV website are the official and accurate source for the program information and services the DMV provides. The DMV is unable to guarantee the accuracy of any translation provided by Google™ Translate and is therefore not liable for any inaccurate information or changes in the formatting of the pages resulting from the use of the translation application tool.
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