Low-Field-Specific Physical Aspects
(1) Department of MRI, Medical Center at Siegerland Airport, Burbach, Germany In low-field MR scanners, some imaging parameters are different from high-field systems. These different characteristics can be of…
MAGNETIC RESONANCE IMAGING
Economy and Ecology
(1) Department of MRI, Medical Center at Siegerland Airport, Burbach, Germany A responsible way of medical diagnosis and treatment is always an economical way. To waste resources means that…
Conclusion
(1) Department of MRI, Medical Center at Siegerland Airport, Burbach, Germany A variety of factors contribute to image quality: field strength, gradient performance, homogeneity, coil design, signal- and image-processing…
Site Planning
(1) Department of MRI, Medical Center at Siegerland Airport, Burbach, Germany For the installation of low-field MR systems, particularly with permanent magnets, certain special requirements have to be considered….
Safety Considerations
(1) Department of MRI, Medical Center at Siegerland Airport, Burbach, Germany Dangerous bioeffects of magnetic resonance imaging can arise from: 1. Static magnetic fields 2. Gradient magnetic fields…
Introduction
(1) Department of MRI, Medical Center at Siegerland Airport, Burbach, Germany Magnetic resonance imaging is one of the most fascinating methods of medicine. It has become a symbol of…
Neuroanatomy
Fig. 1 (a, b) Surface anatomy of the convexity. (a) Sylvian fissure (dark area). The margins of the frontal, parietal, and temporal opercula are defined by the configuration of the…
BOLD fMRI and DTI: Artifacts, Tips, and Tricks
and Stefan Sunaert1 (1) Department of Radiology, University Hospitals of the Catholic University of Leuven, Herestraat 49, Leuven, 3000, Belgium 1 Introduction 1.1 Artifacts Related to BOLD fMRI Signal in…
in Functional Neuroimaging
Fig. 1 Representative slices of ifc-MRI networks averaged from 22 healthy controls In patients with brain tumors, ifcMRI has been used to investigate the connections and strength of the connections…
Neuronavigation
Fig. 1 Overlay of functional activation maps on morphological images (contrast-enhanced T1-weighted 3D data set) visualizing the critical spatial relationship between the left precentral high-grade glioma and the primary motor…
