A series of 63 patients with optic nerve meningioma or glioma is presented. The authors discuss the similarities and differences in the diagnosis and surgical treatment of these two neoplasms of the optic nerve.
The locations of arterial branches crossing the free edge of the tentorium were studied in 16 adult cadavers. Two positional variants of the superior cerebellar artery and four variants of the posterior cerebral artery were identified. The points at risk of compression by different types of transtentorial brain herniation were defined for both the arterial branches supplying the brain stem and the arterial branches supplying the cerebral hemispheres.
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