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Figure 2: Bony anatomy of the para sellar area seen from above (a). The ACP is attached (b) to the skull base to the lesser wing of sphenoid (1), planum sphenoidale by the anterior root or the optic canal roof (2), and the optic strut (3). In hybrid clinoidectomy (c), The yellow shaded area is detached extradurally (yellow shaded area) while the optic strut (3) with the rest of the ACP are removed intradurally (red shaded area)

Figure 2: Bony anatomy of the para sellar area seen from above (a). The ACP is attached (b) to the skull base to the lesser wing of sphenoid (1), planum sphenoidale by the anterior root or the optic canal roof (2), and the optic strut (3). In hybrid clinoidectomy (c), The yellow shaded area is detached extradurally (yellow shaded area) while the optic strut (3) with the rest of the ACP are removed intradurally (red shaded area)