Anterior cerebral artery territory infarct

Case contributed by Henry Knipe
Diagnosis certain

Presentation

Left weakness and dysphasia for 3.5 hours.

Patient Data

Age: 40 years
Gender: Male

Grey-white differentiation is preserved. Hyperdense right anterior cerebral artery, with filling defect of the the right A1 segment and subtle under-filling of the A2 segment on CTA.

Fat density lesion within the right posteriorly paravertebral space likely represents lipoma.

Restricted diffusion confined to the right anterior cerebral artery territory is present consistent with infarction.

Case Discussion

ACA territory infarcts are much less common than MCA territory infarcts. Cardio-embolic events are the most common cause. 

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