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Fig. 4 | SpringerPlus

Fig. 4

From: Timely stereotactic body radiotherapy (SBRT) for spine metastases using a rapidly deployable automated planning algorithm

Fig. 4

RaSp vs IMRT. Average dose to 90 % of the PTV (PTV D90), mean dose to PTV (PTV Dmean), maximum dose to 10 % of the cord (Cord D10 %), and maximum cord dose to 0.1 cc of the cord structure (Cord D0.1 cc) are plotted for IMRT and RaSp with and without a 2 mm AP shift to simulate set-up error. IMRT plans yielded more favorable dose escalation with a higher average PTV dose. A 2 mm shift had a greater relative impact on maximum cord dose for IMRT plans compared to RaSp plans

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