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[Experience of resection large clinoidal meningiomas]
Cun-shan Tao1, Mei-qing Lou, Yi-cheng Lu
1Department of Neurosurgery, 359th Hospital, Chinese People's Liberation Army, Zhenjiang 212001, China. taocunshan1968@163.com
Zhonghua Wai Ke Za Zhi [Chinese Journal of Surgery]
|December 2, 2005
Summary
This study on clinoidal meningiomas demonstrates that grinding the anterior clinoid process and using an epidural approach improves surgical outcomes. This technique enhances tumor blood supply blockade and detachment from the internal carotid artery.
Area of Science:
- Neurosurgery
- Surgical Anatomy
- Oncology
Context:
- Clinoidal meningiomas present complex surgical challenges due to their location.
- Understanding the clinical applied anatomy of the anterior clinoid process is crucial for effective treatment.
Purpose:
- To investigate the clinical applied anatomy of the anterior clinoid process region.
- To enhance the therapeutic efficacy of treating clinoidal tumors.
Summary:
- Twelve patients with large clinoidal meningiomas underwent surgery using an extended anterior and middle fossa combined epidural approach.
- Tumor resection involved extradural blockade of blood supply and intradural removal, with anterior clinoid process grinding.
- Surgical outcomes included 8 total and 3 subtotal tumor removals, with significant visual improvement in 6 of 10 patients with pre-operative visual deterioration.
Impact:
- The epidural approach and anterior clinoid process grinding facilitate tumor blood supply blockade and separation from the internal carotid artery.
- Supraorbital-pterional approaches minimize brain retraction, aiding exposure of giant tumor superior poles.
- This technique improves surgical outcomes for clinoidal meningiomas.