期刊
NEUROLOGIA MEDICO-CHIRURGICA
卷 54, 期 8, 页码 612-616出版社
JAPAN NEUROSURGICAL SOC
DOI: 10.2176/nmc.oa.2013-0237
关键词
cavernous sinus; oculomotor trigone; endoscopic anatomy; fresh cadaveric specimens
资金
- Grants-in-Aid for Scientific Research [26462184] Funding Source: KAKEN
Knowledge of anatomy visualized endoscopically is necessary to perform endoscopic surgical procedures safely. The cavernous sinuses are complicated structures with major blood vessels and nerves seated deeply in the center of the skull base. Anatomical orientation during surgery is essential for deep and narrow skull base surgery. While performing surgery involving the cavernous sinuses, understanding of the structures identifiable via a transsphenoidal view can allow comprehension of the relationship between a lesion and the surrounding structures, thus preventing intraoperative complications. The objective of this study was to dissect the neurovascular structures in the cavernous sinus deeply inside the oculomotor trigone through a transsphenoidal view, and to determine the relationships among anatomical landmarks in the path of surgery. Ten fresh silicone-injected cadaveric heads were evaluated. Four millimeter-diameter rigid endoscopes with 0 degrees and 3 degrees rod-lenses were utilized to perform an endonasal transsphenoidal approach. The detailed position and course of the major components in each cavernous sinus were assessed under panoramic view. We also validated the utility of this approach by successfully excising a huge pituitary adenoma.
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