Minimally invasive anatomic research of microvascular decompression for trigeminal nerve utilizing virtual reality technique
10.3760/cma.j.issn.1671-8925.2015.10.011
- VernacularTitle:三叉神经微血管减压术的虚拟现实微创解剖研究
- Author:
Qing ZHOU
1
;
Ke TANG
;
Jinjuan XIE
;
Jing'an ZHOU
Author Information
1. 解放军第三○九医院神经外科
- Keywords:
Trigeminal nerve;
Microvascular decompression;
Virtual reality;
Three-dimensional anatomy;
Minimal invasion
- From:
Chinese Journal of Neuromedicine
2015;14(10):1027-1030
- CountryChina
- Language:Chinese
-
Abstract:
Objective To discuss the microanatomy features of microvascular decompression for trigeminal nerve through minimally invasive approach based on virtual reality image models.Methods CT and MRI scans were performed to five adult cadaver heads, and then, image data were inputted into vitrea virtual reality system to establish three-dimensional anatomy models of cerebellopontine angle.Suboccipito-retrosigrmoidal approach was simulated by selecting asterion as osseous landmark points of craniotomy and cistern segment of trigeminal nerve as exposed target.Anatomic exposures in surgical trajectory were observed and measured before and after minimally invasive design, respectively.Results Routes simulating microvascular decompression for trigeminal nerve through suboccipito-retrosigmoidal approach passed under the inferior edge of transverse sinus.Spacial relationship among route and surrounding nerves and vessels were displayed clearly.Measurement and comparative analysis among different routes indicated the volumes of routes: route b＞ route c ＞ route a, and involved cerebellar volumes: route a ＞route c ＞ route b.Conclusion Minimally invasive routes of suboccipito-retrosigmoidal approach can reduce surgical injure without sacrifice of anatomic exposure in microvascular decompression for trigeminal nerve.
