中国临床解剖学杂志 ›› 2011, Vol. 29 ›› Issue (2): 124-127.

• 应用解剖 • 上一篇    下一篇

内镜下远外侧髁后锁孔手术入路至岩下斜区的应用解剖学

彭志强1, 田广永2 , 徐达传3, 付万新   

  1. 1.广州市番禺区中医院神经外科,  广州   511400; 2.南方医科大学第三附属医院耳鼻喉科,  广州   510630;
    3.南方医科大学临床解剖研究所,  广州   510515; 4.东莞市人民医院神经外科,  广东   东莞 523018
  • 收稿日期:2010-10-09 出版日期:2011-03-25 发布日期:2011-03-28
  • 通讯作者: 徐达传,教授,博士生导师,Tel:(020)61648202 E-mail:pengzhiqiang@163.com
  • 作者简介:彭志强(1974-),男,湖南湘潭人,博士,副主任医师,从事神经外科临床与显微解剖研究
  • 基金资助:

    广东省医学科技项目(A2008595)

Endoscopic anatomical study of the inferior peroclival region via retro-condylar keyhole approach

PENG Zhi-qiang1, XU Da-chuan2, TIAN Guang-yong3, FU Wan-xin4   

  1. 1.Department of Neurosurgery, Panyu Hospital of Traditional Chinese Medicine, Guangzhou 511400, China;  2.Department of  Otorhinolaryngology, The Third Affiliated Hospital, Southern Medical University, Guangzhou 510630, China; 3. Institute of Clinical Anatomy, Southern Medical University, Guangzhou 501515, China;  4.Department of Neurosurgery, Dongguan Municipal People’s Hospital, Dongguan 523018,China
  • Received:2010-10-09 Online:2011-03-25 Published:2011-03-28

摘要:

目的 为内镜下远外侧枕髁后锁孔入路治疗岩下斜区及周围疾患提供解剖学基础。  方法 10具尸体头标本于乳突后作纵向“S"型、约7 cm长头皮切口,上缘起自乳突中点向后2 cm处,下界至C2水平。做直径约2 cm的骨窗,牵开小脑半球,内镜下观察所显露的解剖结构。  结果 内镜下可以观察到后组脑神经的出颅部位,包括颈静脉孔和舌下神经管内口,此外,还可以显露脑干腹侧面的结构及椎动脉的末端。神经与血管间复杂毗邻关系亦可得以显示;骨窗外缘至颈静脉内口的距离为(1.75±0.29) cm。  结论 内镜的使用,可缩小远外侧枕髁后锁孔入路的骨窗;副神经的脊髓根及颈静脉孔内口均可以作为经远外侧枕髁后锁孔入路内镜下岩下斜区结构的定位标识。

关键词: 内镜, 岩斜区, 锁孔, 远外侧入路, 应用解剖

Abstract:

Objective To explore the endoscopic anatomical characteristics of the inferior petroclival region and the clinical feasibility of the retro-condylar keyhole approach to the region. Methods Ten adult cadaver heads were used in this study. A longitudinal "S" shape skin incision about 7 cm was performed with its super border 2 cm behind the middle point of mastoid and inferior margin at the level of C2. A bone flap (2 cm in diameter) was cut with a craniotome and the cerebellar hemisphere was retracted. The exposed anatomic structures were observed under endoscope. Results The outlets of posterior group cranial nerves, including jugular foramen and hypoglossal canal, were exposed under endoscope, as well as the ventral aspect of brain stem and the extremity of vertebral artery. Complex relationship among the cranial nerves and blood vessels was also found. The distance of lateral margin of bony window to internal orifice of jugular foramen was (17.5±0.29) cm. Conclusions Usage of endoscope can diminish the bony window in retro-condylar keyhole approach. Both of the spinal root of accessory nerve and internal orifice of jugular foramen can be used as markers in endoscopy assisted retro-condylar keyhole approach to lower peroclival region.

Key words: Endoscope, Peroclival region, Keyhole, Far-lateral approach, Neuroanatomy

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