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

P M Moreno1, D H Meseguer

  • 1Department of Otolaryngology, Medical School, Santa Maria Hospital, Lleida, Spain.

The Journal of Laryngology and Otology
|July 13, 2007
PubMed
Summary
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Bone disease may play a role in sinus surgery complications. Radical sinus surgery can cause bone changes similar to osteomyelitis, suggesting underlying bone issues contribute to post-operative mucosal disease.

Area of Science:

  • Otolaryngology
  • Pathology
  • Surgical Research

Background:

  • Sinus surgery aims to treat chronic rhinosinusitis.
  • Post-operative mucosal disease can occur after sinus surgery.
  • The role of underlying bone pathology in these complications is not fully understood.

Purpose of the Study:

  • To investigate the pathogenic role of bone in sinus surgery.
  • To determine if bone disease contributes to mucosal disease after sinus surgery.

Main Methods:

  • Twenty-five rabbits were used, divided into five experimental groups.
  • Surgical interventions included wide mucosal removal, nasoantral window creation, and partial mucosal excision.
  • A control group underwent no surgical intervention.

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Main Results:

  • Wide surgical removal led to retracted medial sinus walls and disturbed bone structure after three months.
  • Microscopic examination revealed altered haversian canal systems and osteoclastic bone resorption.
  • These bone changes were similar to those observed in osteomyelitis.

Conclusions:

  • Radical sinus surgery induces electron microscopic changes in bony sinus walls.
  • These bone alterations resemble changes seen in osteomyelitis.
  • Underlying bone disease may be a factor in post-sinus surgery mucosal complications.