Journal of Neuro-Oncology (2018) 137:219–221 https://doi.org/10.1007/s11060-017-2715-2 LE T TER TO THE EDITOR Simpson grade IV resections of skull base meningiomas: does the postoperative tumor volume impact progression? 1,2 1 1 Benjamin Brokinkel · Walter Stummer · Peter Sporns Received: 26 October 2017 / Accepted: 11 December 2017 / Published online: 14 December 2017 © Springer Science+Business Media, LLC, part of Springer Nature 2017 To the Editor, between the postoperative tumor volumes and progression were then investigated in statistical analyses. Surgery for skull base meningiomas is frequently limited Using this approach, eligible postoperative imaging and to subtotal resection (Simpson grade IV) to preserve criti- follow-up data of 49 of the 62 patients who underwent Simp- cal anatomical structures and neurological function. On the son grade IV resection in our previous series  were avail- other hand, the relevance of a maximum resection for tumor able (79%). Clinical, histopathological and radiological data progression is increasingly discussed. In this context, we are summarized in Table 1. Surgery was performed between recently demonstrated an increased risk of tumor progres- 2007 and 2015. Imaging was performed after a median of sion after Simpson grade IV resection in skull base meningi- 3 months after surgery (range 0–12 months) and included omas, while
Journal of Neuro-Oncology – Springer Journals
Published: Dec 14, 2017
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