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Endoscopic anatomy of the sphenoid sinus and sella turcica

Published online by Cambridge University Press:  29 June 2007

Dharambir S. Sethi ,
Ralph E. Stanley  and
Prem Kumar Pillay
Dharambir S. Sethi*
Affiliation:
Departments of Otolaryngology, Singapore General Hospital, Outram Road, Singapore 0316, Republic of Singapore.
Ralph E. Stanley
Affiliation:
Departments of Otolaryngology, Singapore General Hospital, Outram Road, Singapore 0316, Republic of Singapore.
Prem Kumar Pillay
Affiliation:
Departments of Neurosurgery, Singapore General Hospital, Outram Road, Singapore 0316, Republic of Singapore.
*
Dr Dharambir S. Sethi, F.R.C.S., F.A.M.S., Department of Otolaryngology, Singapore General Hospital, Outram Road, Singapore 0316, Republic of Singapore. Fax: (65) 226-2079
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Abstract

An endoscopic study of the sphenoid sinus was carried out, on 30 cadavers, to understand the important anatomical relationships of the sphenoid sinus, and the sella turcica. The aim was to study the endoscopic anatomy and the variants, and to determine if endoscopic instrumentation and techniques, could play a beneficial role in endoscopic management of sellar lesions.

The results of this study are discussed, with particular reference to the important surgical anatomical features of the sphenoid sinus. A surgical technique for the endoscopic transsphenoid approach to the sella turcica was developed.

Anatomical variants can be identified endoscopically, and endoscopic techniques have the advantages of improved visualization, magnification, angled vision, and a panoramic perspective of the intrasphenoid anatomy, compared to currently employed methods of pituitary/sellar surgery, using the operating microscope/.

Keywords

Sphenoid sinusPituitary glandSella turcicaEndoscopyAnatomy
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 109 , Issue 10 , October 1995 , pp. 951 - 955
Copyright
Copyright © JLO (1984) Limited 1995

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