magnetic resonance imaging apparent diffusion coefficient maps (Siemens AG)
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Magnetic Resonance Imaging Apparent Diffusion Coefficient Maps, supplied by Siemens AG, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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other:Article Title: Lesion Analysis of Cortical Regions Associated with the Comprehension of Nonreversible and Reversible Yes/No Questions Article Snippet: Magnetic Resonance Imaging included Fluid Attenuated Inversion Recovery (FLAIR) with or without T1 and T2 (to rule out old infarcts), Susceptibility Weighted Images (to rule out hemorrhage), diffusion-weighted images (DWI), Apparent Diffusion Coefficient (ADC) maps, and dynamic-susceptibility contrast echo-planar Perfusion Weighted Images (PWI) obtained parallel to the Article Title: Asyntactic Comprehension, Working Memory, and Acute Ischemia in Broca's Area versus Angular Gyrus Article Snippet: Magnetic Resonance Imaging Magnetic Resonance Imaging included T1, T2, Fluid Attenuated Inversion Recovery (to rule out old infarcts), Susceptibility Weighted Images (to rule out hemorrhage), diffusion-weighted images (DWI), Apparent Diffusion Coefficient (ADC) maps, and dynamic-susceptibility contrast echo-planar Perfusion Weighted Images (PWI) obtained parallel to the Article Title: Asyntactic Comprehension, Working Memory, and Acute Ischemia in Broca's Area versus Angular Gyrus Article Snippet: Magnetic Resonance Imaging included T1, T2, Fluid Attenuated Inversion Recovery (to rule out old infarcts), Susceptibility Weighted Images (to rule out hemorrhage), diffusion-weighted images (DWI), Apparent Diffusion Coefficient (ADC) maps, and dynamic-susceptibility contrast echo-planar Perfusion Weighted Images (PWI) obtained parallel to the |

![FIGURE 2 (A) Representative images obtained in one rat at 3 h following the MCAo. The <t>ADC</t> map depicts the core of ischemia (arrow). The time-to-peak map reveals a larger zone of hypoperfusion (arrow). The penumbra was delineated as the mismatch between perfusion and diffusion abnormalities (hatched purple). The StO2-MRI map shows the area with reduced oxygen saturation (arrow). [18F]-FMISO-PET delineates the hypoxic area with increased retention of [18F]-FMISO (arrow). The T2-W image, acquired 24 h after the MCAo, shows the consolidated lesion (arrow). (B) Evolution of ADC-defined lesion volumes. The lesion demonstrable at 15 min expanded at 3 h, and even more so at 24 h following the MCAo. **p < 0.01; ***p < 0.001; ANOVA with repeated measures followed by Tukey's post hoc test. The boxes define the interquartile range; the solid horizontal line the median, and the whiskers represent the minimal and maximal values. (C) Volumes of brain compartments at 3 h following the MCAo. Time-to-peak (TTP): tissue volume with decreased perfusion; Penumbra: tissue with PWI/DWI mismatch; StO2-MRI: tissue that displays a decrease in oxygen saturation; [18F]-FMISO-PET: tissue volume that shows an increased retention of [18F]-FMISO. The boxes define the interquartile range; the solid horizontal line the median and the whiskers represent the minimal and maximal values. ADC, apparent diffusion <t>coefficient;</t> ANOVA, analysis of variance; DWI, diffusion-weighted imaging; MCAo, middle cerebral artery occlusion; PET, positron emission tomography; PWI, perfusion-weighted imaging; StO2-MRI, magnetic resonance-based imaging of brain oxygen saturation; T2-W, T2-weighted; [18F]-FMISO, 18-fluorine-fluoromisonidazole](https://pub-med-unpaywalled-images-cdn.bioz.com/pub_med_ids_ending_with_5719/pm36285719/pm36285719__page5_image1.jpg)