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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Updated: Nov 27, 2025

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Advanced vascular imaging techniques.

Fabio Settecase1, Vitaliy L Rayz2

  • 1Neuroradiology Division, Department of Radiology, University of British Columbia, Vancouver, BC, Canada; Diagnostic and Interventional Neuroradiology Division, Department of Radiology, Vancouver General Hospital, Vancouver, BC, Canada; Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States.

Handbook of Clinical Neurology
|December 4, 2020
PubMed
Summary
This summary is machine-generated.

Advanced imaging techniques like MRI and digital subtraction angiography (DSA) improve the diagnosis and understanding of cervicocerebral vascular disorders. These methods enhance diagnostic accuracy and guide treatment for conditions affecting blood vessels in the head and neck.

Keywords:
4D flow MRIComputational fluid dynamicsDigital subtraction angiographyMRI velocimetryMagnetic resonance angiographyMagnetic resonance imagingPatient-specific modelsVessel wall MRIVessel wall imaging

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Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Cervicocerebral vascular disorders require accurate imaging for diagnosis and management.
  • Traditional imaging methods have limitations in fully characterizing vessel lumen, wall, and blood flow.

Purpose of the Study:

  • To review recent advancements in imaging techniques for cervicocerebral vascular disorders.
  • To highlight how new MRI and DSA methods improve diagnostic capabilities and patient risk stratification.

Main Methods:

  • Noninvasive Magnetic Resonance (MR) techniques including time-of-flight angiography and contrast-enhanced MR angiography (CEMRA).
  • High-resolution vessel wall imaging MRI (VWMRI) for detailed vessel wall assessment.
  • Phase-contrast MRI (4D flow MRI) and computational fluid dynamics for blood flow analysis.
  • Digital subtraction angiography (DSA) and its advanced adjunctive techniques (4D-DSA, color flow analysis).

Main Results:

  • VWMRI provides insights into vessel wall characteristics, aiding in differentiating vasculopathies and assessing aneurysm stability.
  • 4D flow MRI and computational fluid dynamics offer detailed analysis of blood flow patterns and wall shear stress.
  • Advanced DSA techniques complement traditional angiography with enhanced visualization and analysis.
  • These imaging modalities collectively increase diagnostic accuracy and understanding of neurovascular diseases.

Conclusions:

  • Novel MRI and DSA techniques significantly advance the evaluation of cervicocerebral vascular disorders.
  • These advancements improve understanding of disease pathophysiology and natural history.
  • Improved imaging guides therapeutic decisions and aids in patient risk stratification for neurovascular conditions.