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The Scientific World Journal
Volume 2012 (2012), Article ID 817454, 5 pages
http://dx.doi.org/10.1100/2012/817454
Research Article

Occurrence of the Foramen of Vesalius and Its Morphometry Relevant to Clinical Consideration

1Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
2Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
3Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand

Received 26 October 2011; Accepted 1 December 2011

Academic Editor: Aldo Spallone

Copyright © 2012 Vipavadee Chaisuksunt et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

All 377 dry skulls were examined for the occurrence and morphometry of the foramen of Vesalius (FV) both in the middle cranial fossa and at the extracranial view of the skull base. There were 25.9% and 10.9% of FV found at the extracranial view of the skull base and in the middle cranial fossa, respectively. Total patent FV were 16.1% (11.9% unilaterally and 4.2% bilaterally). Most FV were found in male and on the left side. Comparatively, FV at the extracranial view of the skull base had a larger maximum diameter. The distance between FV and the foramen ovale (FO) was as short as 2 . 0 5 ± 1 . 0 9  mm measured at the extracranial view of the skull base. In conclusion, although the existence of FV is inconstant, its occurrence could not be negligible. The proximity of FV to FO should remind neurosurgeons to be cautious when performing the surgical approach through FO.