Validation of panoramic tomography as a tool to diagnose maxillary sinus pathologies
DOI:
https://doi.org/10.17533/udea.rfo.11830Keywords:
Panoramic radiography, Cone beam computed tomography, Maxillary sinusAbstract
Introduction: medical imaging is an important diagnostic resource and a useful tool for selecting the right procedure in patients with suspected maxillofacial pathology. Some of the most common maxillofacial imaging methods include panoramic radiography and cone beam computed tomography, which was developed as an alternative to conventional tomography and is currently considered the gold standard for imaging the oral and maxillofacial area. Methods: two previously calibrated evaluators analyzed 100 cone beam tomographies and 100 panoramic tomographies from randomly selected patients; the methods also included: univariate analysis, measurement of central tendency, and definition of sensitivity, specificity, and positive / negative predictive value on 2 x 2 specific tables using a validity test. Results: the results show that, as a diagnostic test, cone beam panoramic tomography, in comparison to cone beam computed tomography to evaluate images compatible with sinus pathology (polyps, cysts and mucosa thickening), offers variable sensitivity and specificity depending on the type of sinus pathology, with a confidence level of 95% and a kappa coefficient value of 1 for CAT scans and 0.94 to 1.0 for cone beam panoramic tomography. Conclusion: cone beam panoramic tomography is sensitive and specific enough to be used as a diagnostic tool in maxillary sinus pathology.
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