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Revista argentina de radiología
On-line version ISSN 1852-9992
Abstract
REYES, Juan Marcelo et al. Classification and epidemiology of orbital fractures diagnosed by computed tomography. Purpose. Rev. argent. radiol. [online]. 2013, vol.77, n.2. ISSN 1852-9992. http://dx.doi.org/10.7811/rarv77n2a07.
To characterize the cases of orbital fractures diagnosed by computed tomography (CT) during a time period of one year at our Radiology Department. Materials and Methods. A cross-sectional descriptive study was performed. All cases of orbital fracture diagnosed during a period of one year (from June 2011 to June 2012) were identified. The analyzed variables were: patient age and sex, mechanism of fracture production, fracture location, and need for surgical management. EpiDat 3.1 was used for the statistical processing of data. Results. Orbital fractures were diagnosed in 25 of the 167 patients who underwent orbital computed tomography dur-ing that period: 5 were female (20%) and 20 male (80%). The mean age of the injured patients was 31 years (range 1 to 63 years). The fracture mechanisms were: falls (32%), physical aggression (44%), car accidents (8%), and other causes (16%). Fifteen cases (60%) required surgical management. As regards fracture distribution, 10 of them (40%) were iso-lated (just one orbital wall involved), while 15 (60%) were combined (2 or more orbital walls involved). Right orbital fractures were found in 11 cases (44%), while left and bilateral fracture locations were detected in 12 (48%) and 2 cases (8%), respectively. Conclusion. The most common types of isolated orbital fractures found in our study were those of the orbital floor and the medial orbital wall, which could be associated with their known anatomical weakness. Mean age and gender dis-tribution of lesions were consistent with those reported by other studies.
Keywords : Orbital fracture; Classification; Epidemiology; Computed tomography.