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Fig. 3. Case 20: Patient with 1 anterior choroidal artery (AchoA) aneurysm. A, Intra-arterial angiogram, lateral view, showing the left AchoA aneurysm (long arrow) originating at the junction of the AchoA (short arrows) and the internal carotid artery (ICA).
B, Multiplanar reformatted (MPR) image, sagittal view, showing the left AchoA aneurysm (arrow).
C, MPR image, sagittal view, showing AchoA branching at aneurysm neck (arrows).
D, Volume subtracted (VS)-3D computed tomographic angiography (3DCTA), lateral view, showing the left AchoA aneurysm (arrow).
E, VS-3DCTA, posterior view, showing the left AchoA aneurysm with a posterolateral direction (arrow).
F, VS-3DCTA, medial view, clearly showing the left AchoA aneurysm (long arrow) and AchoA branching at the aneurysm neck (short arrows).
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