The foramen spinosum: a landmark in middle fossa surgery

The foramen spinosum: a landmark in middle fossa surgery The foramen spinosum is an easily identifiable landmark in microsurgery of the middle cranial fossa, and knowledge of the variations in its relationship to the surrounding neurovascular structures is important when operating in this area. We studied the anatomical relationship of the foramen spinosum to the foramen ovale, the mandibular branch of the trigeminal nerve, the greater superficial petrosal nerve, and the petrous part of the internal carotid artery in 12 cadaver heads. We also tried to define an external landmark for early identification of the location of the foramen spinosum in ten dry skulls. We found considerable variations in the anatomy around the foramen spinosum. This knowledge may improve the identification and preservation of the neurovascular structures when using approaches to the middle cranial fossa. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Neurosurgical Review Springer Journals

The foramen spinosum: a landmark in middle fossa surgery

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Publisher
Springer Journals
Copyright
Copyright © 2008 by Springer-Verlag
Subject
Medicine & Public Health; Neurosurgery
ISSN
0344-5607
eISSN
1437-2320
D.O.I.
10.1007/s10143-008-0152-6
Publisher site
See Article on Publisher Site

Abstract

The foramen spinosum is an easily identifiable landmark in microsurgery of the middle cranial fossa, and knowledge of the variations in its relationship to the surrounding neurovascular structures is important when operating in this area. We studied the anatomical relationship of the foramen spinosum to the foramen ovale, the mandibular branch of the trigeminal nerve, the greater superficial petrosal nerve, and the petrous part of the internal carotid artery in 12 cadaver heads. We also tried to define an external landmark for early identification of the location of the foramen spinosum in ten dry skulls. We found considerable variations in the anatomy around the foramen spinosum. This knowledge may improve the identification and preservation of the neurovascular structures when using approaches to the middle cranial fossa.

Journal

Neurosurgical ReviewSpringer Journals

Published: Aug 2, 2008

References

  • Variations in size and in symmetry of foramina of the human skull
    Berge, JK; Bergman, RA

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