Three-dimensional images contribute to the diagnosis of mucous retention cyst in maxillary sinus
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Data
2013-01
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Resumo
Objective: To evaluate the detection of mucous retention cyst of maxillary sinus (MRCMS) using panoramic radi-
ography and cone beam computed tomography (CBCT).
Study Design: A digital database with 6,000 panoramic radiographs was reviewed for MRCMS. Suggestive im-
ages of MRCMS were detected on 185 radiographs, and patients were located and invited to return for follow-
up. Thirty patients returned, and control panoramic radiographs were obtained 6 to 46 months after the initial
radiograph. When MRCMS was found on control radiographs, CBCT scans were obtained. Cysts were measured
and compared on radiographs and scans. The Wilcoxon, Spearman and Kolmorogov-Smirnov tests were used for
statistical analysis. The level of significance was set at 5%.
Results: There were statistically significant differences between the two methods (p<0.05): 23 MRCMS detected
on panoramic radiographs were confirmed by CBCT, but 5 MRCMS detected on CBCT images had not been iden-
tified by panoramic radiography. Eight MRCMS detected on control radiographs were not confirmed by CBCT.
MRCMS size differences from initial to control panoramic radiographs and CBCT scans were not statistically
significant (p= 0.617 and p= 0.626). The correlation between time and MRCMS size differences was not signifi-
cant (r = -0.16, p = 0.381).
Conclusion: CBCT scanning detect MRCMS more accurately than panoramic radiography.
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Palavras-chave
Mucous cyst, Panoramic radiograph, Maxillary sinus, Cone beam computed tomography
Citação
DONIZETH-RODRIGUES, Cleomar et al. Three-dimensional images contribute to the diagnosis of mucous retention cyst in maxillary sinus. Medicina Oral, Patología Oral y Cirugía Buca, Valencia, v. 18, n. 1, p. 151-157, Jan. 2013.