Target Volume Determination 2015

What are results of elective neck irradiation?

Dose prescription to the CTV of elective neck PTV69 PTV66 PTV62 PTV56

PTV

Description

Dose [Gy] NID 2Gy

[Gy]

PTV66 Node level with resected cervical lymph node metastasis with capsule rupture PTV62 Node level with resected cervical lymph node metastasis without capsule rupture PTV56 Nodal level at risk of occult metastasis

66

~67

62

~61

56

~51

Duprez et al. IJROBP 2011; 79:450-8.