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Figure 2: Intraoperative view showing the left cerebellopontine angle. The trigeminal nerve (TN), facial nerve (FN), superior petrosal vein (SPV), superior cerebellar artery (SCA), venous angioma (VA), root entry zone (REZ), and brain stem (BS) are recognizable. Arachnoidal adhesions over the TN and VA are seen (a). The VA is located at the root entry zone of the TN. Arachnoidal adhesions over the TN and around the VA are separated sharply (b). The superior cerebellar artery (SCA) is moved away from the TN (c). Teflon is used to separate the SCA from TN (d)

Figure 2: Intraoperative view showing the left cerebellopontine angle. The trigeminal nerve (TN), facial nerve (FN), superior petrosal vein (SPV), superior cerebellar artery (SCA), venous angioma (VA), root entry zone (REZ), and brain stem (BS) are recognizable. Arachnoidal adhesions over the TN and VA are seen (a). The VA is located at the root entry zone of the TN. Arachnoidal adhesions over the TN and around the VA are separated sharply (b). The superior cerebellar artery (SCA) is moved away from the TN (c). Teflon is used to separate the SCA from TN (d)