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Image 1: abrupt cut-off at M1 on the TOF MRA coronal reconstruction
Image 2: occlusion of the M1 segment of the middle cerebral artery. Anterior cerebral artery is normal.
Image 3: on the lateral projection the ACA and its branches fill promptly as well as a few feeder arteries to the basal ganglia that arise from the ACA. The MCA and its branches are absent.
Image 4: early reconstitution of flow in the MCA after thrombectomy
Images 5 and 6: late reconstitution of flow after thrombectomy. The small red arrow points to a filling defect in M1, compatible with a small amount of residual thrombus