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KMID : 1103720140700010025
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Journal of the Korean Society of Radiology
2014 Volume.70 No. 1 p.25 ~ p.30
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The Usefulness of Sagittal Reformation for Diagnosis of Sternal Fracture
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Im Dong-Jin
Hahn Seok
Kim Young-Ju
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Abstract
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Purpose: The purpose of our study was to evaluate the usefulness of sagittal reformation of chest computed tomography for the diagnosis of sternal fracture after trauma.
Materials and Methods: We retrospectively reviewed medical records and chest computer tomography (CT) of 716 patients in the emergency department after trauma between January and December 2010. Two radiologists investigated chest CT images. We investigated numbers and locations of sternal fractures on axial images only and on both axial and sagittal images for each radiologist.
Results: First, radiologist found sternal fractures in 58 patients (70.7%) on only axial images, and 80 (97.5%) on both axial and sagittal images. Second, radiologist found fractures in 67 patients (81.7%) on axial image only and 81 (98.7%) on both axial and sagittal images. The sensitivity increased after adding sagittal reformation images for each radiologist (p < 0.05, respectively). On the axial images, the interobserver agreement was low (κ = 0.596) between the two radiologists. However, on both axial and sagittal images, the interobserver agreement increased (κ = 0.872).
Conclusion: Sagittal reformation of chest CT increases the chance of diagnosis for sternal fracture and leads to early diagnosis resulting in appropriate treatment.
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KEYWORD
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Sternal Fracture, Computed Tomography, Sagittal Reformation
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