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Click 31 year old man with bilateral thalamic infarcts due to cardioembolic occlusion of the Artery of Percheron. Axial diffusion weighted MR images demonstrate areas of restricted diffusion consistent with subacute infarcts in the bilateral thalami, left greater than right.

Click 31 year old man with bilateral thalamic infarcts due to cardioembolic occlusion of the Artery of Percheron. Axial MR ADC map demonstrates areas of signal drop out in the bilateral thalami, left greater than right. These areas correspond to the areas of restricted diffusion on DWI.

Click 31 year old man with bilateral thalamic infarcts due to cardioembolic occlusion of the Artery of Percheron. Axial T1 weighted MR images demonstrate areas of hypointensity in the areas of subacute infarct in the bilateral thalami, left greater than right.

Click 31 year old man with bilateral thalamic infarcts due to cardioembolic occlusion of the Artery of Percheron. Axial MR FLAIR images demonstrate areas of hyperintensity in the areas of subacute infarct in the bilateral thalami, left greater than right.

Click 31 year old man with bilateral thalamic infarcts due to cardioembolic occlusion of the Artery of Percheron. Coronal reconstructed MRA images of the posterior circulation show a single branching vessel originating from the P1 segment of the right PCA which appears to supply both thalami, consistent with the Artery of Percheron.