Article Figures & Data
Figures
- Fig 1.
Images obtained by using bone window settings for a 44-year-old man with a nondisplaced occipital bone fracture. A, Bone image. B, Brain image. C, Combined multikernel image. Though the skull fracture is detectable on all images, the quality of the brain image is distinctly poorer than the quality of the other 2 images. The quality of the combined multikernel image is almost equal to that of the bone image.
- Fig 2.
Comparison of mean ROC curves for the 3 observers for the detection of skull fractures by using 3 different CT reconstruction kernels. A, Bone versus combined. B, Bone versus brain. C, Brain versus combined. There is no significant difference in the mean AUC values among the 3 types of reconstruction kernels.
Tables
AUC values for the different CT reconstruction kernels used for the diagnosis of skull fractures
Observer Reconstruction Kernel Bone Brain Combined 1 0.840 0.853 0.812 2 0.945 0.943 0.915 3 0.946 0.946 0.998 Mean 0.910 0.914 0.908
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