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Digital subtraction angiogram of the cerebellum. A digital subtraction angiogram, early arterial phase, performed by injection of the left internal carotid artery. The anterior spinal vein (white arrows) was visualized during the study from C1 to C5. The posterior spinal vein (black arrow) was visualized from C1-2. No visualization of the anterior and posterior spinal vein was noted in the angiogram performed subsequent to the insertion of the neurovascular clip.
