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Posterior cerebral artery infarct, mid sagittal section of cerebral hemisphere

Last updated on Thursday, April 9 2009 by gliageek

Posterior cerebral artery infarct, mid sagittal section of cerebral hemisphere

Distribution of the posterior cerebral artery circulation is highlighted in this hyperbilirubinemia patient secondary to blood brain barrier breakdown.

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Posterior cerebral artery infarct, mid sagittal section of cerebral hemisphere, Labeled
This image shows the medial surface of the left cerebral hemisphere from a person who has suffered an infarct in the left Posterior Cerebral Artery (PCA) distribution. From the accumulation of bilirubin in the infarcted tissue, the infarct appears dark on...

For Comparison, MRI DWI - Acute Left PCA Infarct
For comparison, this is how a stroke in the PCA distribution typically appears on MRI in the acute phase. This is a diffusion-weighted MRI image showing an acute infarction in the left PCA territory. Note the involvement of the thalamus.

Illustration of relevant anatomy
This image from Gray's anatomy shows the medial surface of a brain section in the mid-sagittal plane. Relevant anatomical features are labeled in the image.

Circle of Willis Dissected - PCA
This is a gross specimen, showing a complete circle of Willis dissected. The unnecessarily large green arrow points to the posterior cerebral artery.