arterial spin-labeling methods
Antiangiogenic Effect of Bevacizumab: Application of Arterial Spin Labeling Perfusion MR Imaging in a Rat Glioblastoma Model
... 13. Keunen O, Johansson M, Oudin A, et al. Anti-VEGF treatment re- duces blood supply and increases tumor cell invasion in glioblas- toma. Proc Natl Acad Sci U S A 2011;108:3749 –54 CrossRef Medline 14. Detre JA, Alsop ...
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Arterial Spin Labeling MR Imaging Measurements of Timing Parameters in Patients with a Carotid Artery Occlusion
... of arterial blood may provide additional information to characterize the collat- eral flow and may potentially be used to identify hemodynam- ically impaired ...used methods to measure arrival times of ...
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Arterial Spin Labeling in Routine Clinical Practice, Part 1: Technique and Artifacts
... the methods of choice in large studies investigating CBF in disease states, hav- ing been validated in a variety of neurologic disorders includ- ing stroke, tumor, and ...
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Arterial Spin Labeling in Children with Brain Tumor: A Meta Analysis
... there is no consensus on the clinical role of ASL, partly due to technical differences, including parameter settings, postprocess- ing schemes, and analysis methods, in hitherto published studies. A meta-analysis ...
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Myocardial arterial spin labeling perfusion imaging with improved sensitivity
... first-pass methods, cardiac ASL methods (based on apparent-T1 or signal subtraction) are lim- ited by temporal ...T1-based methods and signal subtraction methods rely on long image acquisition ...
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Arteriovenous Shunt Visualization in Arteriovenous Malformations with Arterial Spin Labeling MR Imaging
... cant morbidity and mortality. MR imaging and CT techniques can be used for evaluation of AVMs, but the vascular architec- ture and hemodynamics of AVMs are often complex, and the gold standard for evaluation is ...
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Can Arterial Spin Labeling with Multiple Postlabeling Delays Predict Cerebrovascular Reserve?
... AND METHODS: Transit time– corrected CBF maps and arterial transit time maps were acquired in 30 consecutive patients with unilateral ICA or MCA steno-occlusive disease (severe stenosis or ...of ...
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Arterial Spin Labeling in Routine Clinical Practice, Part 2: Hypoperfusion Patterns
... rterial spin-labeling (ASL), when applied in a diverse clin- ical population, is capable of accurately depicting various states of hypo- and ...The methods for data acquisition and analysis are ...
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Intracranial Dural Arteriovenous Fistula: Preliminary Report of Arterial Spin Labeling
... applying arterial spin labeling (ASL) to intracranial dural arteriovenous fistula ...(DAVF). Methods: Sixteen patients with angiographically confirmed DAVF underwent ASL on a clinical ...
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Arterial Spin Labeling and MR Spectroscopy in the Differentiation of Gliomas
... not be available in all clinical scanners, we believe that MRSI analysis guided by blood volume data may equally be used with methods that use the dynamic susceptibility con- trast (DSC) enhancement to measure ...
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Arterial Spin Labeling in Routine Clinical Practice, Part 3: Hyperperfusion Patterns
... Tumor. Tumor evaluation with ASL has been studied, and correlations between flow and tumor grade have been made. 10,11 The ability to quantify perfusion with ASL poten- tially allows monitoring of tumor response to ...
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MR Imaging of Individual Perfusion Reorganization Using Superselective Pseudocontinuous Arterial Spin Labeling in Patients with Complex Extracranial Steno Occlusive Disease
... AND METHODS: Superselective pseudocontinuous arterial spin-labeling with a circular labeling spot enabling selective vessel labeling was added to routine imaging in a prospective ...
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Collateral Circulation Imaging: MR Perfusion Territory Arterial Spin Labeling at 3T
... MATERIALS AND METHODS: Fifty-six patients with internal carotid artery (ICA) or middle cerebral artery (MCA) stenosis were identified by sonography. VE-ASL was performed to assess the presence and function of ...
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Simultaneous measurement of brain perfusion and labeling efficiency in a single pseudo-continuous arterial spin labeling scan
... two labeling effi- ciency measurement methods is that one or two additional scans are needed and that these methods, therefore, come with a ...post- labeling delay (PLD) along with a similarly ...
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Clinical Utility of Arterial Spin Labeling as a Confirmatory Test for Suspected Brain Death
... differentiating scalp, parotid, or neck muscle uptake from brain uptake. In addition, evaluation of the posterior fossa is better with SPECT imaging than with planar imaging because of its tomo- graphic nature. ...
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Usefulness of Pulsed Arterial Spin Labeling Magnetic Resonance Imaging in New-onset Seizure Patients and Its Comparison with Dynamic Susceptibility Contrast Magnetic Resonance Imaging.
... pulsed arterial spin labeling (PASL) imaging are newer advanced magnetic resonance sequences which are capable of detecting vascular changes in patients with new‑onset seizure disorder even when no ...
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Arterial Spin Labeling to Discriminate Pediatric Cervicofacial Soft Tissue Vascular Anomalies
... AND METHODS: We conducted a retrospective analysis of data from a prospectively maintained registry including pediatric patients at a tertiary pediatric center between January 2012 and January ...an ...
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3D Pseudocontinuous Arterial Spin Labeling MR Imaging in the Preoperative Evaluation of Gliomas
... previous ROI selection methods, the method presented in our study is relatively objective, with an excellent intraclass correla- tion coefficient. Third, molecular pathology for gliomas, such as 1p19q deletion and ...
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Arterial Spin Labeling Perfusion MR Imaging Demonstrates Regional CBF Decrease in Idiopathic Normal Pressure Hydrocephalus
... AND METHODS: Differences in regional cerebral perfusion between patients with idiopathic normal pressure hydrocephalus and healthy controls were investigated with pseudocontinuous arterial ...
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Hemodynamic Alterations in Vertebrobasilar Large Artery Disease Assessed by Arterial Spin Labeling MR Imaging
... MATERIALS AND METHODS: ASL was performed on a 3T MR imaging scanner in 41 participants. Twenty-one patients had a history of ischemic events in the VB circulation (14 men, 7 women, age 66 ⫾ 11 years). Clinical ...
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