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Figure 2: Oblique lateral projection (a) and Sagittal maximum intensity projection (MIP) of the Cone-beam CT angiography images (b) of the left external carotid artery shows the target coil loop prolapsing into the dilated Superior ophthalmic vein. Curved arrows in (a) and (b) denotes the Ophthalmic artery. The planned needle trajectory (white line) and the target (green asterisk) are shown in (b)

Figure 2: Oblique lateral projection (a) and Sagittal maximum intensity projection (MIP) of the Cone-beam CT angiography images (b) of the left external carotid artery shows the target coil loop prolapsing into the dilated Superior ophthalmic vein. Curved arrows in (a) and (b) denotes the Ophthalmic artery. The planned needle trajectory (white line) and the target (green asterisk) are shown in (b)