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. Author manuscript; available in PMC: 2018 Jul 2.
Published in final edited form as: J Neurosurg. 2017 Oct 6;129(1):35–47. doi: 10.3171/2016.11.JNS161170

Figure 7. Atypical Meningioma – 3 year Local Control.

Figure 7

3-year local control following gross total resection (GTR) alone versus GTR + radiation therapy (RT). *taken from a graph; 1convexity only, 90% 3y retreatment-free survival; 2crude 4-year, 363% after Simpson 1, 57% after Simpson 1-3; 4 Pre-3D-CRT methods used in 18 of 27 (67%) patients who received RT from 1997-2011; § Simpson grade 1, ¶ Simpson 1-3, Φ Simpson 1 to 2, 3 of 57 patients received early adjuvant RT.