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Figure 3: Volume rendered images (a) and Maximum intensity projection images (b) of the Cone-beam CT angiography shows the planned needle trajectory (black line) and the target (green asterisk). Also shown are the Ophthalmic artery in (a)(straight arrow) and the optic canal in (b) (curved arrow)

Figure 3: Volume rendered images (a) and Maximum intensity projection images (b) of the Cone-beam CT angiography shows the planned needle trajectory (black line) and the target (green asterisk). Also shown are the Ophthalmic artery in (a)(straight arrow) and the optic canal in (b) (curved arrow)