[PDF] Top 20 Reversed Discrepancy between CT and Diffusion Weighted MR Imaging in Acute Ischemic Stroke
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Reversed Discrepancy between CT and Diffusion Weighted MR Imaging in Acute Ischemic Stroke
... unenhanced CT shows parenchymal hypoattenuation and loss of gray-white matter distinction in the left frontal lobe of ACA and MCA territory ...hypoattenuated ischemic lesion depicted on ...with ... See full document
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Microembolic Signals and Diffusion weighted MR Imaging Abnormalities in Acute Ischemic Stroke
... prediction. Diffusion-weighted MR imaging (DWI) detects hyperacute ischemic lesions and differentiates re- cent acute stroke from old ischemic lesions (19, ... See full document
6
High b Value Diffusion Weighted MR Imaging of Hyperacute Ischemic Stroke at 1 5T
... of diffusion weighting increases (18). Therefore, higher b value DW imaging would be more advantageous in the diagnosis of hyperacute ischemic lesions in which mild diffusion changes can be ... See full document
8
Sensitivity and Interrater Agreement of CT and Diffusion Weighted MR Imaging in Hyperacute Stroke
... DW imaging is due to the different temporal evolution of EIS on CT scans and signal intensity changes on DW ...on CT scans are due to a net water uptake in ischemic brain tissue (34), DW ... See full document
8
SCL20A2 mutation presenting with acute ischemic stroke: a case report
... mic stroke, CT angiography of cervical and cerebral arteries were performed and showed arteriosclerosis ...susceptibility weighted imaging (SWI) and cerebral veins were normal on magnetic ... See full document
6
Evidence-based guideline: The role of diffusion and perfusion MRI for the diagnosis of acute ischemic strokeReport of the Therapeutics and Technology Assessment Subcommittee of the American Academy of Neurology
... fore, ischemic strokes, nonischemic strokes, and stroke mimics were ...of acute stroke were imaged a me- dian of 34 minutes earlier by MRI than ...2 stroke neurologists indepen- dently ... See full document
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Diffusion Weighted MR Imaging in the Acute Phase of Transient Ischemic Attacks
... This discrepancy with our study may be explained by two ...baseline diffusion-weighted imaging findings, which helped them to know the precise lo- cation in which a subsequent infarction might ... See full document
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Susceptibility Weighted Imaging in Acute Stroke with Co-morbids: Magnetic Resonance Imaging Protocol Revisited
... with acute infarct on Diffusion weighted imaging (DWI) were selected for the ...study. Stroke protocol performed including DWI and susceptibility weighted imaging (SWI) on ... See full document
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Correlation between CT and Diffusion Weighted Imaging of Acute Cerebral Ischemia in a Rat Model
... of ischemic injury because DWI signal intensity continuously increases after ischemic stroke and has a correlation with CT attenuation and ischemic ...of ischemic edema in the ... See full document
6
Hyperacute Ischemic Stroke Missed by Diffusion Weighted Imaging
... Diffusion-weighted imaging is an increasingly popular technique for the diagnosis of acute is- chemic ...as CT for the examination of patients presenting with acute neurologic ... See full document
5
An Acute Ischemic Stroke Classification Instrument That Includes CT or MR Angiography: The Boston Acute Stroke Imaging Scale
... Brain imaging is a routine procedure in the ED, and all of the patients underwent CT scanning, MR imaging, or ...the imaging studies were requested on a case-by-case basis by ED ... See full document
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Quantitative Diffusion Weighted MR Imaging in Transient Ischemic Attacks
... DW imaging was nondiagnostic, and these patients were evaluated in ...DW imaging), it could not be used for quantitative ...DW imaging more than 6 hours after his TIA; this patient was excluded from ... See full document
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Arterial Hyperintensity on Fast Fluid attenuated Inversion Recovery Images: A Subtle Finding for Hyperacute Stroke Undetected by Diffusion weighted MR Imaging
... contrast-enhanced imaging in all ...the ischemic lesion, as acute infarction, if present, can usually be adequately de- termined using diffusion-weighted MR imaging ...of ... See full document
5
Turbo spin echo diffusion weighted MR of ischemic stroke
... of diffusion-weighted echo-planar imaging to be high ...Human Stroke: Analysis of 122 Cases,” presented at the annual meeting of the American Society of Neuroradiology, Seattle, Wash, June ... See full document
8
Prognostic value of “tissue-based” definitions of TIA and minor strokePopulation-based study
... or stroke physician and all presentations and investigations were reviewed by the senior study neurologist ...or stroke mimics excluded. Demographic data and stroke risk factors were collected from ... See full document
8
Clinical experience with diffusion weighted MR in patients with acute stroke
... tional MR imaging, especially T2-weighted se- quences, is known to be sensitive to tissue edema, but has a high rate of false-negative results in the first 24 hours after an event (1, ...2). ... See full document
6
Application of acute stroke imagingSelecting patients for revascularization therapy
... ⫽ acute ischemic stroke; BBB⫽ blood–brain barrier; CBF ⫽ cerebral blood flow; CBV ⫽ cerebral blood volume; CTA ⫽ CT angiography; CTP ⫽ CT perfusion; DWI ⫽ ... See full document
10
False negative Diffusion weighted MR Findings in Acute Ischemic Stroke
... Initial MR imaging was performed within 48 hours after stroke onset in all patients and within 24 hours in 93 ...a stroke neu- rologist, who reviewed all available clinical data, paraclinical ... See full document
7
Identifying and utilizing the ischemic penumbra
... The imaging and clinical inclusion/exclusion criteria will need to be harmonized to insure that the baseline stroke se- verity of patients randomized is not too mild, pre- cluding a high rate of good ... See full document
8
Neonatal Hypoxic ischemic Encephalopathy: Detection with Diffusion weighted MR Imaging
... We examined the effect of image timing on our results. Once again, we observed possible differ- ences between cortical and deep gray matter inju- ries. In the cortex, ADC values remained low for the duration of ... See full document
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