The Classification of Nasal Bone Fractures by CT

ABSTRACT

The reduction of nasal bone fracture has been done by a simple procedure. The nasal bone fracture was not a serious problem and patients are usually treated as outpatients. However it is causing increased demand for medical services far cosmetic reasons. We studied the nasal bone fracture by retrospective analysis, it comprising 606 patients with nasal bone fractures in various accidents and treated of Chonnam University Hospital from March 1995 to February 1998. We reviewed and analyzed the medical records and facial bone CT scans of 606 patients. The following results were obtained. 1. The prevalent age group was in the third decade, the most common cause was traffic accidents, while nasal swelling, tenderness, nasal deviation and crepitation were examined 2. The classification of nasal bone fracture was done by facial bone CT. Class 1 Nasal tip depressed fracture(16%) Class 2 Displaced nasal bone fracture without depression(30%) Class 3 Displaces nasal bone fracture with depression(12%) Class 4 Comminuted nasal bone fracture (10%) Class 5 Simple fracture of nasal bone and frontal process of maxilla(14%) Class 6 Comminuted fracture of nasal bone and frontal process of maxilla(11%) Class 7 Nasal bone fracture without displacement(9%) .