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Anatomy of the cavernous sinus region
S Marinkovic1, H Gibo, R Vucevic
1Institute of Anatomy, School of Medicine, Belgrade, Yugoslavia.
Summary
Detailed fetal anatomy of the cavernous region reveals four distinct layers in its lateral wall, aiding neurosurgical procedures. This study provides crucial anatomical insights for operating in this complex cranial area.
Area of Science:
- Anatomy
- Neuroanatomy
- Surgical Anatomy
Background:
- The cavernous region is a complex anatomical area at the base of the skull.
- Understanding its detailed structure is vital for safe and effective neurosurgical interventions.
Purpose of the Study:
- To delineate the layered structure of the cavernous region's lateral wall in fetal specimens.
- To identify the specific cranial nerves and vascular structures within these layers.
- To provide an anatomical basis for neurosurgical operations.
Main Methods:
- Examination of 20 fetal specimens and 5 adult specimens.
- Injection of Micropaque for enhanced visualization of vascular structures.
- Detailed dissection and histological analysis of the cavernous region's lateral wall.
Main Results:
- The fetal cavernous region's lateral wall exhibits four distinct layers.
- These layers involve the trochlear, oculomotor, ophthalmic, maxillary, and abducent nerves.
- The meningohypophyseal trunk's completeness varies; the inferolateral trunk supplies cranial nerves within the cavernous sinus.
Conclusions:
- The study provides a detailed anatomical map of the cavernous region's lateral wall in fetuses.
- These findings establish a foundational understanding for neurosurgical approaches to the cavernous sinus.
- The described layered anatomy is critical for planning and executing procedures in this sensitive cranial area.