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- W1970487506 abstract "The analysis of the imaging characteristics found in chronic odontoid fractures.To determine the efficacy of computed tomography and magnetic resonance imaging in diagnosing a chronic odontoid fracture.Radiographic examination of the cervical spine is intrinsic to the evaluation of all patients with blunt trauma. Injury to the craniocervical junction constitutes 19-25% of all cervical spine fractures. At the authors' trauma center computed tomography is routinely used instead of the open-mouth odontoid radiograph to facilitate cervical spine evaluation. This practice has increased the detection of fractures that are unrecognized in plain radiography, and has, at the same time, raised questions about the age and significance of these fractures.Radiography, computed tomography, and magnetic resonance imaging studies were performed on three patients who came to the emergency department with odontoid fractures. Two patients had a history of severe trauma, and one had a history inconsistent with an acute odontoid fracture. One patient also had a technetium Tc 99m methylene dihydroxyphosphonate bone scan. The studies were obtained to determine the age of the fractures.All three patients were determined to have chronic odontoid fractures. This diagnosis was facilitated by the use of computed tomographic and magnetic resonance imaging. Computed tomography showed increased sclerosis in the proximal fracture fragment in all cases and well-corticated fracture edges in one patient. Magnetic resonance images showed normal bone marrow or bone sclerosis in the odontoid process. Soft tissue edema was absent. A bone scan was not useful in resolving this issue.Computed tomography and magnetic resonance imaging can be useful in determining the chronicity of an odontoid fracture." @default.
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- W1970487506 date "1999-01-01" @default.
- W1970487506 modified "2023-09-24" @default.
- W1970487506 title "Computed Tomographic and Magnetic Resonance Imaging of Chronic Odontoid Fractures" @default.
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- W1970487506 doi "https://doi.org/10.1097/00007632-199901150-00016" @default.
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