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Positive CE-MRC examination of a 67-year-old woman with definite NPH. Axial (A) and coronal (D) precontrast T1WI shows ventriculomegaly and effacement of the cisterns at convexity level. After intrathecal Gd-DTPA injection, the contrast material persisted in the lateral ventricles at 24 (B, E) and 48 (C, F) hours.
