PMC10000313_01
CTA presentation of intracranial arteriovenous malformation combined with multiple aneurysms.
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F1
Axial computed tomography angiography (CTA) image (Figure 1A) showed a vascular mass (red arrow) and thickened, swollen inferior ophthalmic vein (white arrow). The bone window axial CTA image (Figure 1B) demonstrated a right internal cavernous sinus aneurysm locally protruding into the optic canal (red arrow) and optic canal enlargement compared to the contralateral side (white arrow). A basilar artery aneurysm was present (white arrow in Figure 1C). Multiplanar reformation sagittal image (Figure 1D) shows saccular aneurysm (red arrow) approximately 2.4 cm x 1.3 cm in size with a narrow neck originating from the cavernous segment of the right internal carotid artery. The bone window coronal CTA image (Figure 1E) demonstrates the feeding artery (white arrow) and the malformed vascular mass (red arrow), while the volume rendering (Figure 1F) illustrates the draining vein (white arrow) and the basilar artery aneurysm (red arrow).