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Fig. 3 | Radiation Oncology

Fig. 3

From: Retrospective analysis of fractionated intensity-modulated radiotherapy (IMRT) in the interdisciplinary management of primary optic nerve sheath meningiomas

Fig. 3

EUD plotted against the date of treatment start shows a typical learning curve with an initial increase followed by a plateau phase. EUD51 (EUD of PTV51) and EUD54 (EUD of PTV51) significantly increased from cohort A (first ten patients) to cohort B (remaining patients). Dmax as well as D2 to the optic nerve was significantly lower in cohort B compared to cohort A

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