[PDF] Top 20 High b Value Diffusion Weighted MR Imaging of Hyperacute Ischemic Stroke at 1 5T
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High b Value Diffusion Weighted MR Imaging of Hyperacute Ischemic Stroke at 1 5T
... the b value increases, the amount of diffusion weighting increases ...higher b value DW imaging would be more advantageous in the diagnosis of hyperacute ischemic ... See full document
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Turbo spin echo diffusion weighted MR of ischemic stroke
... planar imaging of the brain allowed collection of a full set of diffusion-weighted sections, covering the whole brain in a very short time ...toward ischemic stroke evolve, along with ... See full document
8
Quantitative Diffusion Weighted MR Imaging in Transient Ischemic Attacks
... this 1-year period, 28 patients received a final diag- nosis of TIA and underwent DW MR ...DW imaging was nondiagnostic, and these patients were evaluated in ...DW imaging), it could not be ... See full document
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Monitoring of Gustatory Stimulation of Salivary Glands by Diffusion Weighted MR Imaging: Comparison of 1 5T and 3T
... We performed 3T examinations by using an Intera (Philips, Best, the Netherlands) with a 33 mT/m maximal gradient capability and a maximal slew rate of 150 mT/m per millisecond. A 6-channel SENSE head coil was used. For ... See full document
5
High b value Diffusion weighted MR Imaging of Adult Brain: Image Contrast and Apparent Diffusion Coefficient Map Features
... on diffusion-weighted imaging per- formed at lower diffusion gradient ...the diffusion- weighted images obtained with a b value of 1000, gradually becoming ... See full document
7
Arterial Hyperintensity on Fast Fluid attenuated Inversion Recovery Images: A Subtle Finding for Hyperacute Stroke Undetected by Diffusion weighted MR Imaging
... of stroke symptom on- set. Lovblad et al (2) reported that diffusion- weighted MR imaging showed a sensitivity of 94% and a specificity of 100% in the diagnosis of acute infarction for ... See full document
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False negative Diffusion weighted MR Findings in Acute Ischemic Stroke
... acute ischemic stroke, there is increasing evidence that it may fail to detect acute stroke lesions (1, 4–6, ...acute stroke are not rare ...acute stroke varies among studies, ... See full document
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Diffusion weighted MR imaging of acute stroke: correlation with T2 weighted and magnetic susceptibility enhanced MR imaging in cats
... Diffusion-weighted images obtained with strong diffusion-sensitizing gradient strengths 5.6 gaussjcm, corresponding to gradient attenuation factor, b, values of 1413 secjmm 2 displayed [r] ... See full document
7
Ultra-high b-value diffusion-weighted imaging features of the prostatic leiomyoma-case report
... In addition, a low signal intensity area on T2WI showed significantly higher signal nodule on ultra- high b-value DWI, and the mean ADC value was 0.517 ± 0.015 × 10 −3 mm 2 /s. It was found in ... See full document
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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
... for Stroke and on the editorial boards of the Journal of Clinical Oncology and The Oncologist; has served as a consultant for Mitsubishi Tanabe Pharma Corporation, AstraZeneca, Genentech, ...Medical ... See full document
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Effect of Thin Section Diffusion Weighted MR Imaging on Stroke Diagnosis
... DW imaging than with con- ventional DW ...DW imaging tended to improve conspicuity of posterior fossa lesions, we believe that the reason for not being able to demonstrate higher CNR for posterior fossa ... See full document
6
Neonatal Hypoxic ischemic Encephalopathy: Detection with Diffusion weighted MR Imaging
... Although diffusion-weighted imaging has been shown to be highly sensitive in detecting acute cerebral infarction in adults, its use in detecting neonatal hypoxic-ischemic encephalopathy (HIE) ... See full document
7
Diffusion Weighted MR Imaging in the Acute Phase of Transient Ischemic Attacks
... of diffusion-weighted MR imaging in the acute phase of TIA appears to be clinically useful and does not significantly increase the total examination ...conventional MR imaging in ... See full document
7
SCL20A2 mutation presenting with acute ischemic stroke: a case report
... Health Stroke Scale (NIHSS) was 11 ...(Fig. 1). Brain magnetic resonance imaging (MRI) revealed acute ischemic stroke in bilateral basal ganglia and periventricular regions with ... See full document
6
Diagnostic accuracy of diffusion weighted imaging with conventional MR imaging for differentiating complex solid and cystic ovarian tumors at 1 5T
... lesions. Diffusion- weighted imaging is sensitive to changes in the microdif- fusion of water into both intracellular and extracellular ...apparent diffusion coefficient (ADC) of benign and ... See full document
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Reversed Discrepancy between CT and Diffusion Weighted MR Imaging in Acute Ischemic Stroke
... gradient-echo, echo-planar sequences with following parameters: TR, 2000 ms; TE, 60 ms; flip angle, 90°; matrix, 128 ⫻ 128, FOV, 24 cm; section thickness, 5 mm; and intersection gap, 2 mm. A series of images (8 –10 ... See full document
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Susceptibility Weighted Imaging in Acute Stroke with Co-morbids: Magnetic Resonance Imaging Protocol Revisited
... Kaya et al. [10] recognized multiple hypointense vessels noticeably during hyperacute phase of stroke in the ischemic territory on gradient T2* [10] but Haacke et al. [11] worked on high ... See full document
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High b value Diffusion weighted MR Imaging of Suspected Brain Infarction
... increased diffusion. (20, 21). We hypothesize that more heavily diffusion- weighted images are less sensitive to T2 signal al- terations (T2 shine-through), thereby improving imaging of ... See full document
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Evolution of Unilateral Perinatal Arterial Ischemic Stroke on Conventional and Diffusion Weighted MR Imaging
... The results from DWI are summarized in Fig 8. All DWIs showed high SI in the white matter until day 4 after birth. Thereafter, the SI on DWI was lower, and all SIs were equal to or below those of the contralateral ... See full document
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Various Patterns of Perfusion Weighted MR Imaging and MR Angiographic Findings in Hyperacute Ischemic Stroke
... these imaging patterns are not based on the origin or pathophysiology of stroke, we speculate that each corresponds to a distinct clinical subtype: the pattern of arterial occlusion and de- creased CBV ... See full document
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