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ICA Occlusion - Look at the skull base for

Stroke Mimics - This was a Tumor!

Stroke Mimic - Not every hypoattenuation on CT is indicative of acute stroke. Given the preservation of cortical gray white in the insula, and in fact cortical expansion, this was a tumor with underlying vasogenic edema producing this appearance. 

Hemorrhagic Transformation in an Infarcted Region

Susceptibility sequences SWI demonstrate diffuse hemorrhagic change within an area of previous Infarct. With corresponding diffusion DWI restriction in the right panel.