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Figure 1


Fig. 1A —47-year-old woman with normal intracranial arteries. Examples of 2D and 3D CT angiographic and digital subtraction angiographic visualization of anterior choroidal artery. Volume-rendered 3D CT angiogram in lateral to medial projection shows left supraclinoid internal carotid artery (thick arrow) in anterior aspect, posterior communicating artery (arrowhead) in inferior aspect, and 0.8-mm anterior choroidal artery (thin arrow).