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The assessment of intracranial bleeding with virtual unenhanced imaging by means of dual-energy CT angiography
European Radiology, 07/14/09

Ferda J et al. - The image quality and contrast-to-noise ratio between bleeding and brain tissue were assessed. The virtual image quality was found to be sufficient in 96%. The agreement in detection of intracranial bleeding on virtual and conventional unenhanced images reached 96% in per-lesion analysis and 100% in per-patient analysis. The averaged CNR reached 2.63 in virtual unenhanced images and 3.27 in conventional. Virtual unenhanced images are sufficient for the detection of intracranial bleeding.

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