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. 2017 May 17;159(7):1197–1211. doi: 10.1007/s00701-017-3194-0

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© The Author(s) 2017

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. 4 — Illustrative case in group B (no attempt at cochlear nerve preservation at surgery). A 67-year-old woman presented with loss of hearing (Gardner–Robertson class 5) and gait problems. The T1-weighted gadolinium-enhanced MR axial images showed very large VS with significant brainstem compression, with a preoperative tumor volume of 24 cm³. The tumor volume was reduced to 2.4 cm³ (i.e., 10% of the preoperative volume) at the time of GKRS. The facial nerve function remained normal (House–Brackmann I)