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Table 2 Dose constraints

From: Intensity modulated radiotherapy (IMRT) combined with concurrent but not adjuvant chemotherapy in primary nasopharyngeal cancer – a retrospective single center analysis

Dose constraints

Max [Gy]

Mean [Gy]

brainstem

60 (surface)

54

temporal lobe°

60

 

spinal cord

45

 

optical nerves

54

 

chiasma

54

 

eye

50

25

lens

10

 

brachial plexus*

60

 

larynx

 

40

parotid gland’

 

26

  1. *: in cases with involved nodes in the supraclavicular region, doses up to 66 Gy were tolerated in small regions, °: in case of T4 lesions, doses up to 66 Gy were tolerated in small regions, ‘: at least one parotid gland was restricted to a median dose of 26 Gy, Max : Maximum dose to the organ at risk, Mean : Mean dose to the organ at risk, Gy : Gray.
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Radiation Oncology

ISSN: 1748-717X

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