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. 2015 Jun 26;12:15. doi: 10.1186/s12987-015-0010-1

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© Ishikawa et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Postoperative constructive interference in the steady state images 4 months after shunt surgery in a patient with iNPH. Preoperative images (a–c) and postoperative images (d–f); a, d coronal sections, b, e axial sections at the level of corticomedullary junction. c, f axial sections at the level of basal ganglia. Inserts at right upper corner are magnified views of arrow-indicated VRS. Short-stepped gait was improved immediately after surgery. The CISS images 4 months after surgery showed mild decrease in VRS diameter in the white matter, although there were no significant changes in number. No significant changes were noted in basal ganglia VRS, observation in a 68-year-old patient with iNPH.