Prevalence and risk factors of mucous retention cysts in a Brazilian population

The aim of this study was to estimate the prevalence and analyse the risk factors of mucous retention cysts (MRCs) of the maxillary sinus. From November 2002 to May 2007, 6293 panoramic radiographs were taken and retrospectively reviewed to estimate the prevalence of MRCs and to analyse risk factors...

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Bibliographic Details
Published in:Dento-maxillo-facial radiology 2009-10, Vol.38 (7), p.480-483
Main Authors: Rodrigues, C D, Freire, G F, Silva, L B, Fonseca da Silveira, M M, Estrela, C
Format: Article
Language:English
Subjects:
Adult
Brazil - epidemiology
Cross-Sectional Studies
Dentistry
Female
Humans
Male
Maxillary Sinus - diagnostic imaging
Mucocele - diagnostic imaging
Mucocele - epidemiology
Paranasal Sinus Diseases - diagnostic imaging
Paranasal Sinus Diseases - epidemiology
Prevalence
Radiography, Panoramic
Risk Factors
Seasons
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Summary:The aim of this study was to estimate the prevalence and analyse the risk factors of mucous retention cysts (MRCs) of the maxillary sinus. From November 2002 to May 2007, 6293 panoramic radiographs were taken and retrospectively reviewed to estimate the prevalence of MRCs and to analyse risk factors (month, relative air humidity and mean temperature). The months in which MRCs occurred were recorded and analysed. The Spearman rank correlation coefficient was used to correlate MRCs with relative air humidity, environmental temperature and month (significance level R(2)>0.85). Of the 6293 radiographs analysed, 201 (3.19%) images were suggestive of MRCs. No significant correlation was found between MRCs and relative humidity (R(2) = 0.15) of the air or temperature (R(2) = 0.40). The months with the highest numbers of MRC cases were September, October and November. The prevalence of MRCs was low, and no statistical correlation was found between MRCs and relative humidity of the air, mean temperature or month.
ISSN:0250-832X
1476-542X
DOI:10.1259/dmfr/48774803