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Sarah Groves, Project Manager Education AOCMF

Executive Editor: Daniel Buchbinder General Editor: Daniel Buchbinder

Authors: S Fusetti, B Hammer, R Kellman, C Matula, EB Strong, Co-author: A Di Ieva

Skull base & Cranial vault

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Glossary

Posterior skull base approach
Posterior skull base approach enlarge

Positioning

The most frequently used positions for approaches to the posterior skull base is the prone position with the head fixed in a head clamp and both shoulders protected by bolsters.


Posterior skull base approach enlarge

Skin incision

According to the anatomical region involved by the injury, the skin incision can be medial, paramedial, lateral, or far lateral. The medial skin incision can be straight or curved (dotted line) starting at the occipital protuberance and reaching the neck at the level of C2.


Posterior skull base approach enlarge

Craniotomy

A classical suboccipital craniotomy including the foramen magnum is performed. Special attention has to be given to the major venous sinuses especially the superior sagittal, transverse, and the confluence of the sinuses.

The size of the craniotomy depends on the size of the fractures and can be either median or more lateral.

Note: The position of the burr holes is in most of the cases located below the transverse sinus.

For further details on craniotomy click here.

v1.0 2011-05-14