CT
Axial non-contrast
Axial TMax
Axial CBF
Axial CBV
Ill-defined regions of intermediate hypodensity on the left posterior frontal and parietal region.
Small old right frontal infarction.
Mild periventricular hypoattenuation in keeping with chronic small vessels ischaemia.
Perfusion imaging is in keeping with an established infarct with match prolongation on TMax and decreased rCBF. No convincing penumbra.