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. 2018 Sep 19;9(5):857–882. doi: 10.1007/s13244-018-0643-0

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© The Author(s) 2018

Open Access This 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.

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Fig. 23 — Arachnoid granulations. Axial head CT (a) shows well-defined structures along the inner table in the region of the transverse sinus (arrowheads). Axial T1-weighted (b) and axial T2-weighted (c) images demonstrate fluid signal of these structures following CSF along the transverse sinus extending into the occipital bone (arrowheads)