Left posterior cerebral artery territory stroke

Case contributed by Dr Henry Knipe


Right limb weakness but has been drinking and states he fell several hours before.

Patient Data

Age: 45
Gender: Male

No intra- or extra-axial collection or haemorrhage demonstrated. Hyperdense basilar tip and left P1/2 segments. Loss of grey-white differentiation in the left PCA territory.

Perfusion imaging shows a small infarct core in the left PCA territory with larger area of ischaemic penumbra.

Filling defect within the very distal basilar artery extending into the left P1/2 segments. Opacification of the left P3/4 segments via left PComA. Both PICAs, AICAs, SCAs and right PCA are patent.

There is a large area of increased diffusion restriction within the left occipital lobe, left medial temporal lobe, left thalamus and left cerebral peduncle, in keeping with the known left PCA territory stroke.

Case Discussion

Acute left PCA territory ischaemic stroke with mismatched infarct core / ischaemic penumbra. Filling defect in the very distal basilar artery and proximal left PCA. 

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Case information

rID: 36612
Case created: 1st May 2015
Last edited: 2nd Sep 2015
Inclusion in quiz mode: Included

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