Thursday, June 18, 2020

Acute Stroke in a 78 year old female with altered mental status

Sagittal T1-weighted image of the right temporal lobe/insula (A) is normal. Axial T2-weighted FLAIR image (B) shows hyperintense signal within the M1 segment of the right middle cerebral artery (MCA), suggesting slow flow or clot (white arrow). Axial diffusion weighted image (DWI) (C) shows restricted diffusion within the right temporal lobe and insula, diagnostic of acute stroke to this region (white arrow). Axial gradient recalled echo (GRE) susceptibility image (D) shows subtle linear susceptibility effect within the right MCA, consistent with recent passage of embolic material (white arrow).
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