Contribuição da imagem tridimensional para o diagnóstico do cisto de retenção mucoso do seio maxilar
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Data
2011-05-31
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Universidade Federal de Goiás
Resumo
Objective: To detect the mucous retention cyst of maxillary sinus (MRCMS) through
panoramic radiography and cone beam computed tomography (CBCT).
Methods: Six thousand panoramic radiographs were selected from digital database for
diagnostic analysis of MRCMS. We detected suggestive images of MRCMS in 185
radiographs of patients who were located and invited to return to control. Thirty patients
returned for the realization of panoramic radiography for control between 6 and 46
months. Given the presence of MRCMS by radiographic control we performed the CBCT
for a better evaluation of the maxillary sinus. Cysts were measured and compared
through the images of two methods. The Wilcoxon, Spearman and Kolmorogov-Smirnov
tests were used for statistical analysis. The level of significance was set at 5%.
Results: There was statistically significant difference between the methods for detection
of MRCMS (p <0.05); 23 MRCMS detected by panoramic radiography control were
confirmed by CBCT, however, 5 MRCMS detected in CBCT images were not identified
by panoramic radiographs. Eight MRCMS detected by X-ray control were not confirmed
by CBCT. The discrepancy of extent of MRCMS between images of initial panoramic
radiographs and control ones for the CBCT were not statistically significant (p = 0.617
and p = 0.626, respectively) as well as the correlation between time and discrepancy of
extent of MRCMS (r = -0.16, p = 0.381).
Conclusion: The cone beam computed tomography examination provides more
accurate detection of MRCMS than panoramic radiography
Descrição
Citação
RODRIGUES, Cleomar Donizeth. Three-dimensional Image Contributing
to the diagnosis of Mucous Retention cyst
in Maxillary Sinus. 2011. 63 f. Tese (Doutorado em Ciencias da Saude) - Universidade Federal de Goiás, Goiânia, 2011.