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Table 5 Results of the dose distribution for the PTV and OAR of case 5

From: Comparison of intensity modulated radiotherapy (IMRT) with intensity modulated particle therapy (IMPT) using fixed beams or an ion gantry for the treatment of patients with skull base meningiomas

Organ

Parameter

photon IMRT (%)

gantry plan(%)

horizontal plan (%)

PTV

V90

97.2

98.5

98.8

Brainstem

V40

25.6

20.5

21.4

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Radiation Oncology

ISSN: 1748-717X

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