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Skull base surgery. 1994 July; 4(3): 136–144.
PMCID: PMC1661800

Optic Canal

Microanatomic Study


The microsurgical anatomy of the optic canal was defined on 20 cadaveric specimens. Anatomic parameters of the optic canal, optic nerve, ophthalmic artery, and adjacent structures were measured, and relations of these structures were noted. Five variants of the course of the ophthalmic artery relative to the optic nerve in the optic canal were found. Various aspects of microsurgery of the optic canal are discussed in relation to anatomic findings.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • Long DM. Neurosurgical involvement in tumors of the orbit. Clin Neurosurg. 1985;32:514–523. [PubMed]
  • Maniscalco JE, Habal MB. Microanatomy of the optic canal. J Neurosurg. 1978 Mar;48(3):402–406. [PubMed]
  • Renn WH, Rhoton AL., Jr Microsurgical anatomy of the sellar region. J Neurosurg. 1975 Sep;43(3):288–298. [PubMed]
  • Lang J, Kageyama I. Clinical anatomy of the blood spaces and blood vessels surrounding the siphon of the internal carotid artery. Acta Anat (Basel) 1990;139(4):320–325. [PubMed]
  • Housepian EM. Microsurgical anatomy of the orbital apex and principles of transcranial orbital exploration. Clin Neurosurg. 1978;25:556–573. [PubMed]

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