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Table 2 Planning objectives for radiotherapy of unilateral, intraorbital ONSM

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

Priority

Volume

Dose constraint

Minor deviation

1

Optic chiasm

Dmax < 54 Gy

 

2

Optic nerve

Dmax < 54 Gy

Dmax < 54.2 Gy

3

PTV54

D98 > 95%

D98 > 90%

4

PTV51

D98 > 95%

D98 > 90%

5

Retina / eye

D2 < 40 Gy

D2 < 54 Gy

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Radiation Oncology

ISSN: 1748-717X

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