Restricted diffusion (ADC map not shown) in the right frontal lobe which
involves white matter and cortex. Coronal and axial T2W MRI demonstrates
increased signal in this region.
Perfusion imaging shows decreased CBF, CBV, and increased MTT and
TTP in this same region. MRA demonstrates narrowing of one M2 branch
of the right MCA.
Key words: mri mra perfusion vascular artery stenosis
Acute MCA infarct -
Matched diffusion/perfusion defects