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Petrous apex and cavernous sinus: anatomy and pathology
1Swedish Hospital Medical Center, Seattle, WA 98104.
Seminars in Ultrasound, CT, and MR
|June 1, 1993
Summary
Understanding the anatomy of the petrous apex and cavernous sinus is crucial for interpreting CT and MR images. This review details the anatomy and pathology of these contiguous regions, emphasizing intrinsic diseases.
Area of Science:
- Radiology
- Neuroanatomy
- Neurosurgery
Background:
- The cavernous sinus (CS) and petrous apex (PA) are anatomically contiguous regions in the skull base.
- Cranial nerves III (oculomotor) and VI (abducens) are closely related to the cavernous sinus.
- Accurate interpretation of imaging studies in this complex area requires thorough anatomical knowledge.
Purpose of the Study:
- To provide a detailed review of the anatomy of the petrous apex and cavernous sinus.
- To discuss the common pathologies affecting these regions.
- To emphasize intrinsic diseases of the CS and PA.
Main Methods:
- Detailed anatomical review of the petrous apex and cavernous sinus.
- Discussion of relevant pathologies based on anatomical structures.
- Focus on intrinsic diseases affecting the CS and PA.
Main Results:
- Comprehensive anatomical description of the CS and PA, including their relationship with cranial nerves.
- Overview of pathologies affecting these contiguous spaces.
- Emphasis on intrinsic CS and PA diseases.
Conclusions:
- Thorough understanding of CS and PA anatomy is essential for accurate CT and MR image interpretation.
- Knowledge of anatomy facilitates the diagnosis and management of pathologies in this region.
- The article serves as a resource for clinicians dealing with CS and PA diseases.