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High-Resolution Neurovascular Imaging at 7T
- Source :
- Magnetic Resonance Imaging Clinics of North America. 29:53-65
- Publication Year :
- 2021
- Publisher :
- Elsevier BV, 2021.
-
Abstract
- Ultrahigh field offers increased resolution and contrast for neurovascular imaging. Arterial spin labeling methods benefit from an increased intrinsic signal-to-noise ratio of MR imaging signal and a prolonged tracer half-life at ultrahigh field, allowing the visualization of layer-dependent microvascular perfusion. Arterial spin labeling-based time-resolved 4-dimensional MR angiography at 7T provides a detailed depiction of the vascular architecture and dynamic blood flow pattern with high spatial and temporal resolutions. High-resolution black blood MR imaging at 7T allows detailed characterization of small perforating arteries such as lenticulostriate arteries. All techniques benefit from advances in parallel radiofrequency transmission technologies at ultrahigh field.
- Subjects :
- business.industry
Black blood
Mr angiography
Blood flow
Neurovascular bundle
Mr imaging
030218 nuclear medicine & medical imaging
03 medical and health sciences
0302 clinical medicine
Nuclear magnetic resonance
Perforating arteries
medicine.artery
Arterial spin labeling
Medicine
Radiology, Nuclear Medicine and imaging
business
Perfusion
030217 neurology & neurosurgery
Subjects
Details
- ISSN :
- 10649689
- Volume :
- 29
- Database :
- OpenAIRE
- Journal :
- Magnetic Resonance Imaging Clinics of North America
- Accession number :
- edsair.doi...........6422f0cf4762880f872f37ca64cf63b3
- Full Text :
- https://doi.org/10.1016/j.mric.2020.09.003