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Dose prescription to the CTV of elective neck
PTV69
PTV66
PTV62
PTV56
Duprez
et al.
IJROBP
2011; 79:450-8.
PTV
Description
Dose [Gy] NID
2Gy
[Gy]
PTV66 Node level with resected cervical lymph node
metastasis with capsule rupture
66
~67
PTV62 Node level with resected cervical lymph node
metastasis without capsule rupture
62
~61
PTV56 Nodal level at risk of occult metastasis
56
~51
What are results of elective neck irradiation?