Occurrence of maxillary sinus abnormalities detected by cone beam CT in asymptomatic patients
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Data
2012
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Resumo
Background: Although cone beam computed tomography (CBCT) images of the maxillofacial region allow the
inspection of the entire volume of the maxillary sinus (MS), identifying anatomic variations and abnormalities in the
image volume, this is frequently neglected by oral radiologists when interpreting images of areas at a distance from
the dentoalveolar region, such as the full anatomical aspect of the MS. The aim of this study was to investigate
maxillary sinus abnormalities in asymptomatic patients by using CBCT.
Methods: 1113 CBCT were evaluated by two examiners and identification of abnormalities, the presence of
periapical lesions and proximity to the lower sinus wall were recorded. Data were analyzed using descriptive
statistics, chi-square tests and Kappa statistics.
Results: Abnormalities were diagnosed in 68.2% of cases (kappa = 0.83). There was a significant difference between
genders (p < 0.001) and there was no difference in age groups. Mucosal thickening was the most prevalent
abnormality (66%), followed by retention cysts (10.1%) and opacification (7.8%). No association was observed
between the proximity of periapical lesions and the presence and type of inflammatory abnormalities (p = 0.124).
Conclusions: Abnormalities in maxillary sinus emphasizes how important it is for the dentomaxillofacial radiologist
to undertake an interpretation of the whole volume of CBCT images.
Descrição
Palavras-chave
Maxillary sinus, Abnormality, Cone beam computed tomography
Citação
REGE, Inara Carneiro Costa et al. Occurrence of maxillary sinus abnormalities detected by cone beam CT in asymptomatic patients. BMC Oral Health, London, v. 12, n. 30, p. 1-7, 2012.