Skip to main content

Table 2 Treatment planning objectives

From: Multi-institutional comparison of volumetric modulated arc therapy vs. intensity-modulated radiation therapy for head-and-neck cancer: a planning study

Structure Parameter Objective Priority
PTVboost Prescribed dose 69.12 Gy (32 * 2.16 Gy)  
V99% > 95% of prescribed dose (= 65.66 Gy) High
D107% < 2 cm3 High
PTVelective Prescribed dose 56 Gy (32 * 1.75 Gy)  
V99% > 95% of prescribed dose (= 53.2 Gy) High
Spinal Cord Dmax < 50 Gy High
Brainstem Dmax < 54 Gy High
Parotid glands Dmean Preferably < 25 Gy High-Medium
  For at least the contralateral gland
Submandibular glands Dmean Preferably < 25 Gy Medium
Oral cavity Dmean Preferably < 25 Gy Medium
Larynx Dmean Preferably < 45 Gy Medium-Low
Pharyngeal constrictors Dmean Preferably < 45 Gy Medium-Low
Other OARs    Low