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MR images of a patient with recurrent herniated diskA, Sagittal view unenhanced T2-weighted MR image.B, Axial view image obtained before the IV administration.

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Presentation on theme: "MR images of a patient with recurrent herniated diskA, Sagittal view unenhanced T2-weighted MR image.B, Axial view image obtained before the IV administration."— Presentation transcript:

1 MR images of a patient with recurrent herniated diskA, Sagittal view unenhanced T2-weighted MR image.B, Axial view image obtained before the IV administration of ionic contrast medium.C, Axial view image obtained 5 min after the IV administration of ionic c... MR images of a patient with recurrent herniated diskA, Sagittal view unenhanced T2-weighted MR image.B, Axial view image obtained before the IV administration of ionic contrast medium.C, Axial view image obtained 5 min after the IV administration of ionic contrast medium.D, Axial view image obtained 50 min after the IV administration of ionic contrast medium. Contrast ratio is greater after administration of ionic rather than nonionic contrast media at 50 min (see panel G).E, Axial view image obtained before the IV administration of nonionic contrast medium.F, Axial view image obtained 5 min after the IV administration of nonionic contrast medium.G, Axial view image obtained 50 min after the IV administration of nonionic contrast medium. Contrast ratio is greater after administration of ionic rather than nonionic contrast media at 50 min. Jui-Sheng Hsu et al. AJNR Am J Neuroradiol 2004;25: ©2004 by American Society of Neuroradiology

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