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  1. 8 de feb. de 2024 · Last revised by Rohit Sharma on 8 Feb 2024. Edit article. Citation, DOI, disclosures and article data. 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.

  2. 27 de abr. de 2023 · The main sites of portosystemic collateral pathways are: left gastric (see gastric varices) left gastric (coronary) vein and short gastric veins to distal esophageal veins. located between medial wall of gastric body and posterior margin of left hepatic lobe in lesser omentum.

  3. 25 de ene. de 2024 · MR vessel wall imaging (VW-MRI) refers to MRI techniques used to evaluate for disease within the walls of arteries, beyond the luminal abnormalities depicted on angiographic imaging. This can be used anywhere in the body but is particularly important intracranially in distinguishing between various causes of luminal stenosis such as ...

  4. 13 de jun. de 2019 · Overview of collateral imaging. Characterization of collateral vessels is not a common primary indication for imaging, and collaterals are often first identified incidentally or after a complication has occurred. CT angiography is the most commonly used imaging modality to evaluate collateral pathways.

  5. 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.

  6. 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.

  7. 18 de mar. de 2020 · Vessel wall imaging (VWI) is being increasingly used as a non-invasive diagnostic method to evaluate the intra- and extracranial vascular bed. Whereas conventional vascular imaging primarily assesses the vessel lumen, VWI changes the focus of analysis toward the vessel wall.