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8 de feb. de 2024 · Collateral vessels are an important consideration during the acute imaging of ischemic stroke, as they can impact upon the evaluation of whether or not a patient will benefit from endovascular clot retrieval 1. Studies have shown that in acute stroke, both CTA and MRA are accurate modalities in assessing the status of collateral ...
- MR vessel wall imaging
MR vessel wall imaging (VW-MRI) refers to MRI techniques...
- MR vessel wall imaging
27 de abr. de 2023 · Portosystemic collateral pathways , also called spontaneous portosystemic shunts or varices, develop spontaneously via dilatation of pre-existing anastomoses between the portal and systemic venous systems.
3 de mar. de 2017 · Our objective is to provide a comprehensive review of the commonly recruited portosystemic collaterals in portal hypertension and demonstrate its multimodality appearance on ultrasound, computed tomography and magnetic resonance imaging.
13 de jun. de 2019 · The pattern of collateral vessels that develop is a function of the site of obstruction. Axillary and subclavian venous obstruction form collaterals to the ipsilateral shoulder and neck. SVC collaterals form as a function of the obstruction’s position relative to the azygos vein. Go to: Introduction.
27 de jul. de 2021 · Accurate interpretation of intracranial vessel wall (VW) MRI findings in clinical practice requires understanding the conditions of adequate flow suppression, optimal spatial resolution, and reasons for enhancement after administration of a gadolinium-containing contrast agent.
Intracranial vessel wall MR imaging is an adjunct to conventional angiographic imaging with CTA, MRA, or DSA. The technique has multiple potential uses in the context of ischemic stroke and intracranial hemorrhage.
