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[Contribution of computed tomography in experimental sinus surgery]
N Guevara1, J Santini, L Castillo
1Service d'ORL et de chirurgie de la Face et du Cou, Hôpital Pasteur, 30 avenue de la voie romaine BP 69, 06002 Nice cedex 1. nicolas.guevara@wanadoo.fr
Summary
Computed tomography (CT) accurately assesses sinus inflammation and secretions in an animal model. This imaging technique is valuable for validating sinusitis models and evaluating treatments.
Area of Science:
- Veterinary Medicine
- Medical Imaging
- Pathology
Background:
- Sinusitis diagnosis often relies on clinical signs and invasive procedures.
- Accurate assessment of sinus inflammation intensity is crucial for research and treatment evaluation.
- Computed tomography (CT) offers a non-invasive imaging modality for anatomical and pathological assessment.
Purpose of the Study:
- To determine the utility of CT in quantifying the sinus mucosa's inflammatory response.
- To correlate CT findings with objective measures of inflammation and secretions.
- To establish CT as a reliable tool for evaluating sinusitis animal models.
Main Methods:
- Eight New Zealand white rabbits were used, with one serving as a control.
- Computed tomography (CT) scans were performed to assess sinus contents.
- Macroscopic examination (secretion volume) and histological analysis (inflammatory cells) were conducted for comparison.
Main Results:
- CT findings showed a perfect correlation with secretion volumes (kappa=1).
- CT assessment of sinus contents strongly correlated with inflammatory cell infiltration (kappa=0.8).
- A high degree of agreement was observed between CT and macroscopic/histological evaluations.
Conclusions:
- CT is a valuable tool for analyzing sinus contents and assessing mucosal inflammation intensity.
- CT can effectively validate animal models of acute or chronic sinusitis.
- CT facilitates the evaluation of therapeutic interventions in sinusitis models.