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Bone changes after maxillary sinus surgery: an experimental scanning electron microscopy study

Published online by Cambridge University Press:  12 July 2007

P M Moreno  and
D H Meseguer
P M Moreno*
Affiliation:
Department of Otolaryngology, Medical School, Santa Maria Hospital, Lleida
D H Meseguer
Affiliation:
Department of Otolaryngology, Vega Baja Hospital, Alicante, Spain
*
Address for correspondence: Dr Pablo Melgarejo, Hospital Santa Maria, Alcalde Rovira Roure 44, 25006 Lleida, Spain. Fax: +34 973727223 E-mail: pablomelgarejo@wanadoo.es
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Abstract

Aims:

The purpose of this study was to explore the pathogenic role of bone in sinus surgery, and to determine whether mucosal disease after sinus surgery may be induced by underlying disease within the bone.

Material and methods:

Twenty-five rabbits were divided into five groups. In group one, wide surgical removal of the maxillary sinus mucosa and creation of a nasoantral window were undertaken. In group two, only nasoantral window creation was undertaken. In group three, the mucosa of the anterior maxillary sinus was removed. In group four, a strip of mucosa around the ostium was removed. Group five was used as a control.

Results:

After three months, in the groups which had undergone wide surgical removal, the medial sinus walls were observed to be retracted and the inner curtain of the bone disturbed, with alteration of the haversian canal system and osteoclastic bone resorption.

Conclusions:

After radical sinus surgery, electron microscopic changes were observed in the bony walls, similar to those changes seen in osteomyelitis.

Keywords

Maxillary SinusRabbitSinusitisOsteitis
Type
Main Article
Information
The Journal of Laryngology & Otology , Volume 122 , Issue 5 , May 2008 , pp. 470 - 475
Copyright
Copyright © JLO (1984) Limited 2007

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Footnotes

Presented at the 21st Congress of the European Rhinologic Society and the 25th International Symposium on Infection and Allergy of the Nose, Tampere, Finland, 11–15 June 2006.

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