The ASPECTS system scores arteries distal to the occlusion (0, artery not seen; 1, less prominent; 2, equal or more prominent compared with a matching.

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A, ROIs that were drawn in the flow territories of the anterior cerebral artery (cortex: ROIs 1 and 2, basal ganglia: ROIs 5 and 6) and the middle cerebral.
Transforaminal transcranial color-coded duplex sonograms before (left) and after (right) application of an echo-enhancing agent. Transforaminal transcranial.
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The aortic arch branching pattern found in cattle has a single brachiocephalic trunk originating from the aortic arch and eventually splits into the bilateral.
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Normal schematic diagram of the aortic arch and the great vessels demonstrates the embryologic origins of the arch and its major branches. Normal schematic.
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Composite diagram of M1-M2 trunk anatomy based on IMS III post hoc analysis. Composite diagram of M1-M2 trunk anatomy based on IMS III post hoc analysis.
An acute stroke patient with severe stenosis of the left internal carotid artery. An acute stroke patient with severe stenosis of the left internal carotid.
Hypervascular tumor. Hypervascular tumor. Right carotid artery angiogram shows displacement of the branches of the middle cerebral artery. The tumor blush.
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Bar graph illustrating the rate of leak detection by CTM and MRM
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FIG 4. Plots of the Loes scores, based on double-echo spin-echo MR images, obtained at different follow-up examinations for 22 patients with ALD. The T1-weighted.
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Case 3.A, CT angiography revealing bilateral asymptomatic middle cerebral artery (MCA) bifurcation aneurysms and an additional aneurysm at the left distal.
Diagram of the functional vascular anatomy of the head and neck with the 3 major extracranial–intracranial anastomotic pathway regions: the orbital, petrous-cavernous-clival,
Axial CT at level of thyroid cartilage shown on soft tissue window (width, 340 HU; center, 43 HU) in panel A and narrow window (width, 1 HU; center, 130.
Stent placement for treatment of acute intracranial occlusion.
Highly specific connections between the cortical lobe and thalamus.
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Boxplot of each etiologic subgroup with the percentage ADC reduction of affected regions compared with NAWM. ATL from carbon monoxide (CO, a small subgroup.
Presentation transcript:

The ASPECTS system scores arteries distal to the occlusion (0, artery not seen; 1, less prominent; 2, equal or more prominent compared with a matching region in the opposite hemisphere) in the 6 ASPECTS cortical regions (M1–6), the caudate, insular ribbon, ... The ASPECTS system scores arteries distal to the occlusion (0, artery not seen; 1, less prominent; 2, equal or more prominent compared with a matching region in the opposite hemisphere) in the 6 ASPECTS cortical regions (M1–6), the caudate, insular ribbon, internal capsule, and lentiform nucleus to form a score from 0 to 20. L.L.L. Yeo et al. AJNR Am J Neuroradiol 2015;36:289-294 ©2015 by American Society of Neuroradiology