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External frontal sinusotomy and endoscopic repair of cerebrospinal fluid fistula in the posterior wall: preliminary report of a new technique

Published online by Cambridge University Press:  10 June 2011

P Thulasi Das  and
D Balasubramanian
P Thulasi Das*
Affiliation:
Sinus and Nose Hospital, Chennai, Tamil Nadu, India
D Balasubramanian
Affiliation:
Sinus and Nose Hospital, Chennai, Tamil Nadu, India
*
Address for correspondence: Dr P Thulasi Das, Sinus and Nose Hospital, 35A Santhome High Road, Santhome, Chennai 600004, India Fax:  +91 44 24983828 E-mail: [email protected]
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Abstract

Introduction:

Cerebrospinal fluid rhinorrhoea is the abnormal leakage of cerebrospinal fluid into the nasal cavity. The posterior wall of the frontal sinus can be the site of such leakage. Traditionally, these leaks were repaired via external osteoplastic or neurosurgical approaches. Despite advances in instrumentation, it is difficult to manage superiorly or laterally placed defects endoscopically. We present a new technique of endoscopic repair of frontal sinus posterior wall defects, via access holes drilled in the anterior wall of the frontal sinus.

Study design:

Preliminary study involving patients presenting with frontal sinus cerebrospinal fluid leaks, with defects in the frontal sinus posterior wall, between 2006 and 2010.

Setting:

Patients were treated in a tertiary referral centre for nose and sinus diseases. Patient records were reviewed and analysed.

Results:

Nine patients underwent external frontal sinusotomy under endoscopic vision. Repair was successful in all cases, with no complications. Follow up ranged from three months to three years.

Conclusion:

External frontal sinusotomy and endoscopic repair is a simple, precise and cosmetically acceptable alternative to osteoplastic and major neurosurgical techniques for management of frontal sinus posterior wall defects. This new, previously undescribed technique enables otolaryngologists to play a role in managing such defects.

Keywords

Frontal SinusCerebrospinal FluidSurgical Procedure, Endoscopic
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 125 , Issue 8 , August 2011 , pp. 802 - 806
Copyright
Copyright © JLO (1984) Limited 2011

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