3.8 Review

Clinical applications of arterial spin labeling of the intracranial compartment in vascular anomalies-A case-based review

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Arterial Spin Labeling technique and clinical applications of the intracranial compartment in stroke and stroke mimics - A case-based review

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Summary: Magnetic resonance imaging perfusion (MRP) techniques, particularly arterial spin labeling (ASL), can improve the selection and evaluation of acute ischemic stroke patients for treatment. ASL, a noncontrast MRP technique, allows assessment of cerebral blood flow without the use of intravenous contrast. It is particularly useful in stroke imaging for evaluating core infarct and penumbra, localizing vascular occlusion, and assessing collateral status.

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Jugular Venous Reflux Can Mimic Posterior Fossa Dural Arteriovenous Fistulas on MRI-MRA

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Summary: Dural arteriovenous fistulas (DAVFs) are high-flow acquired shunts that can carry high risk of intracranial hemorrhage. Early and accurate diagnosis can markedly improve patient morbidity as DAVFs can often be managed by endovascular means. Time-of-flight and arterial spin-labeling MRA have increased the diagnostic utility of MRI for DAVF by showing hemodynamic rather than anatomic evidence of shunting.

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Arterial spin labeling compared to dynamic susceptibility contrast MR perfusion imaging for assessment of ischemic penumbra: A systematic review

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Summary: ASL shows moderate to high agreement with DSC for detection of penumbra among ischemic stroke patients. However, some studies found discrepancies in size or location of perfusion abnormalities between ASL and DSC, suggesting a need for more standardization in perfusion parameters studied for DSC.

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Cerebral hyperperfusion on arterial spin labeling MRI after reperfusion therapy is related to hemorrhagic transformation

Shuhei Okazaki et al.

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Hypercapnia-Induced Cerebral Hyperperfusion: An Underrecognized Clinical Entity

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Cerebral hyperperfusion syndrome

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