Target Volume Determination 2015

How do we define the CTV-T?

The CTV-T

RTOG 0129 (2002-2005; closed) A PHASE III TRIAL OF CONCURRENT RADIATION AND CHEMOTHERAPY (FOLLOWED BY SURGERY FOR RESIDUAL PRIMARY/N2-3 NODAL DISEASE) FOR ADVANCED HEAD AND NECK CARCINOMAS RT technique: 2 opposed lateral fields + matching anterior field A 20-30 mm margin to the GTV RTOG 1016 (2011-2014; closed for accrual) : PHASE III TRIAL OF RADIOTHERAPY PLUS CETUXIMAB VERSUS CHEMORADIOTHERAPY IN HPV-ASSOCIATED OROPHARYNX CANCER RT technique: IMRT A margin 5-15 mm to the GTV