Nasal bone fracture is one of the common nasal disorders encountered by otorhinolaryngologists. We enrolled 57 cases of nasal bone fracture for the present study. The age, sex, cause s, CT findings, treatments administered, and outcome s of the patients were analyzed. The distributions of the age, sex and cause s in the present study were consistent with previous reports. However, in regard to the external appearance of the nasal bone fractures, the ratio of the displacement type to the depressed type was about 5: 3 in this study, the proportion of cases with the depressed type being higher as compared to previous reports. Fracture of the middle portion of the nasal bone was more common than that of the other portions. The proportions of cases with fracture of the upper and lower portions of the nasal bone were almost the same. Fracture of the maxillary frontal process occurred in 40 cases 70.2%, and dehiscence of the nasal maxillary suture occurred in 29 cases 50.9%. Nasal septum fracture was present in 6 cases 10.5%, and other facial bone fractures associated with nasal bone fracture were found in 6 cases 10.5%. The number of cases with the nasal bone fractures associated with other facial bone fractures was considerable, warranting close attention.
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