The "dot CT sign" indicates MCA branch occlusion.
Blacker
David J
DJ
Watson
James C
JC
Wijdicks
Eelco F M
EF
D001039:Aphasia, Broca / Q000209:etiology; D005260:Female; D006801:Humans; D020244:Infarction, Middle Cerebral Artery / Q000150:complications / Q000175:diagnosis* / Q000188:drug therapy; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D010292:Paresthesia / Q000209:etiology; D010975:Platelet Aggregation Inhibitors / Q000627:therapeutic use; D011237:Predictive Value of Tests; D014057:Tomography, X-Ray Computed
D010975:Platelet Aggregation Inhibitors