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Embolic stroke: pre-thrombectomy digital subtraction angiography

Anteroposterior (left) and lateral (right) views of the intracranial arteries after contrast injection into the right common carotid artery confirm the abrupt discontinuation of contrast filling in the M1 segment of the right middle cerebral artery, corresponding to vessel occlusion. (Contributed by Kristine Ann Blackham MD.)

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