Target Volume Determination 2015

Can we improve the results of elective neck irradiation?

Dose de-escalation in elective neck

Study Arm: NID 2Gy

Control Arm: NID 2Gy

40 Gy to elective neck

50 Gy to elective neck

Rates of death or recurrence at 2 years ( p = 0.53):

42% [95% CI 32.8-52.9%]

35% [95% CI 25.9-45.4%]

Nuyts et al. Radiother Oncol 2013;109:323-9. Nevens et al. Radiother Oncol 2014: 11, Suppl.1:S21-S22 .