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Anatomy of petrous face
Ricky Chae1, Roberto Rodriguez Rubio1
1Department of Neurological Surgery, University of California San Francisco, San Francisco, CA, United States.
Handbook of Clinical Neurology
|June 27, 2020
Summary
Understanding the petrous pyramid
Area of Science:
- Skull base anatomy
- Neurosurgery
- Radiology
Background:
- Petrous pyramid meningiomas are common posterior fossa tumors.
- Accurate anatomical knowledge is crucial for surgical planning.
- Vascular supply and venous drainage are key considerations.
Purpose of the Study:
- To detail the complex anatomy of the petrous face.
- To correlate anatomical structures with meningioma location and vascularization.
- To emphasize the importance for surgical and interventional procedures.
Main Methods:
- Detailed anatomical description of the petrous pyramid.
- Review of vascular supply from carotid and vertebrobasilar systems.
- Identification of foramina transmitting cranial nerves and vessels.
Main Results:
- The petrous face anatomy is divided into anterior/superior, posterior, and inferior surfaces.
- Key landmarks include the arcuate eminence, petrous apex, and internal auditory meatus.
- Vascular anatomy includes branches of the carotid and vertebrobasilar systems.
Conclusions:
- Comprehensive understanding of petrous pyramid anatomy is essential for managing meningiomas.
- Knowledge of vascular supply aids in preoperative embolization and surgical safety.
- Detailed anatomical review facilitates improved patient outcomes.
Keywords:
AnatomyFacial nerveInternal auditory meatusInternal carotid arteryMiddle meningeal arteryPetrous faceTemporal boneTrigeminal nerveVestibulocochlear nerveMore Related Videos
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