Cortical Blindness after Contrast-Enhanced CT: Complication in a Patient with Diabetes Insipidus
Hans-Joachim Mentzela,
Jörg Blumeb,
Ansgar Malicha,
Clemens Fitzeka,
Jürgen R. Reichenbacha and
Werner A. Kaisera
a Institute of Diagnostic and Interventional Radiology, University of Jena, Jena, Germany
b Department of Pediatrics, University of Jena, Jena, Germany
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FIG 1. MR imaging revealing no abnormalities in the occipital lobe, no hyperintensities on T2-weighted or FLAIR sequences, no infarction with reduced diffusion, and no vessel occlusion.
A, Axial FLAIR image.
B, Time-of-flight angiography (maximum intensity projection).
C, Axial T2-weighted image.
D, Diffusion-weighted image (b = 1000).
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FIG 2. No contrast-enhancing effect in the occipital lobe after administration of gadopentetate dimeglumine (Gd-DTPA).
A, T1-weighted native spin-echo sequence.
B, T1-weighted spin-echo sequence after administration of 0.1 mmol/kg GdDTPA.
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