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J Neurol Surg B Skull Base 2013; 74(06): 331-336
DOI: 10.1055/s-0033-1342989
Original Article
Georg Thieme Verlag KG Stuttgart · New York

What is the Best Route to the Meckel Cave? Anatomical Comparison between the Endoscopic Endonasal Approach and a Lateral Approach

Jason Van Rompaey
1   Department of Otolaryngology, Georgia Health Sciences University School of Medicine, Georgia Skull Base Center, Augusta, Georgia, United States
,
Carrie Bush
1   Department of Otolaryngology, Georgia Health Sciences University School of Medicine, Georgia Skull Base Center, Augusta, Georgia, United States
,
Eyad Khabbaz
1   Department of Otolaryngology, Georgia Health Sciences University School of Medicine, Georgia Skull Base Center, Augusta, Georgia, United States
,
John Vender
2   Department of Neurosurgery, Georgia Health Sciences University School of Medicine, Augusta, Georgia, United States
,
Ben Panizza
3   Queensland Skull Base Unit, University of Queensland, Princess Alexandra Hospital, Brisbane, Queensland, Australia
,
C. Arturo Solares
1   Department of Otolaryngology, Georgia Health Sciences University School of Medicine, Georgia Skull Base Center, Augusta, Georgia, United States
› Author Affiliations
Further Information

Publication History

10 May 2011

10 August 2011

Publication Date:
05 April 2013 (online)

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Abstract

Background Traditionally, a pterional approach is utilized to access the Meckel cave. Depending on the tumor location, extradural dissection of the Gasserian ganglion can be performed. An endoscopic endonasal access could potentially avoid a craniotomy in these cases.

Methods We performed an endoscopic endonasal approach as well as a lateral approach to the Meckel cave on six anatomic specimens. To access the Meckel cave endoscopically, a complete sphenoethmoidectomy and maxillary antrostomy followed by a transpterygoid approach was performed. For lateral access, a pterional craniotomy with extradural dissection was performed.

Results The endoscopic endonasal approach allowed adequate access to the Gasserian ganglion. All the relevant anatomy was identified without difficulty. Both approaches allowed for a similar exposure, but the endonasal approach avoided brain retraction and improved anteromedial exposure of the Gasserian ganglion. The lateral approach provided improved access posterolaterally and to the superior portion.

Conclusion The endoscopic endonasal approach to the Meckel cave is anatomically feasible. The morbidity associated with brain retraction from the open approaches can be avoided. Further understanding of the endoscopic anatomy within this region can facilitate continued advancement in endoscopic endonasal surgery and improvement in the safety and efficacy of these procedures.

Keywords

endonasal endoscopic - Gasserian ganglion - lateral approach - maxillary antrostomy - Meckel cave - pterional craniotomy - sphenoethmoidectomy
 

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