Internal carotid artery occlusion with embolic infarcts

Case contributed by Paresh K Desai
Diagnosis almost certain


Recurrent deficits on the right side.

Patient Data

Age: 55 years
Gender: Male

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

Flair Axial images show multiple hyperintense lesions.

Axial T2 and TOF source images show loss of signal void signal of the left internal carotid artery consistent with complete occlusion.

Left ICA occlusion.

Contralateral right ICA filling the intracerebral circulation on both sides.

Case Discussion

MRI brain reveals mutlifocal hyperintensities in the left cerebral hemeisphere in the cortex and the subcortical white matter (T2/FLAIRsequences)

T2 axial images reveal loss of flow void of left ICA; however the left MCA flow void is well seen.

MR angiography reveals complete occlusion of the left internal carotid artery.

Final Diagnosis: Left internal carotid artery occlusion with embolic infarcts in left cerebral hemisphere.

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