Skip to main content

Table 1 Nominal prescribed dose for the different treatment techniques studied.

From: Radiobiological evaluation of forward and inverse IMRT using different fractionations for head and neck tumours

 

1st phase

2nd phase

3rd phase

CONVT

PTV3 45.0Gy 1.8Gy/fx

PTV2 9Gy 1.8Gy/fx

PTV1 10.8Gy 1.8Gy/fx

Total Prescr. D

45Gy

54Gy

64.8Gy

IFP

PTV3 50.4Gy 1.8Gy/fx

PTV2 9Gy 1.8Gy/fx

PTV1 10.8Gy 1.8Gy/fx

IMRT1

PTV3 50.4Gy 1.8Gy/fx

PTV2 9Gy 1.8Gy/fx

PTV1 10.8Gy 1.8Gy/fx

Total Prescr. D

50.4Gy

59.4Gy

70.2Gy

IMRT2

PTV3 50.4Gy 1.8Gy/fx

PTV2 59.4Gy 2.12Gy/fx

PTV1 10.8Gy 1.8Gy/fx

 

Total Prescr. D

59.4Gy

70.2Gy

 
  1. PTV1 includes the primary tumour;
  2. PTV2 includes the high risk lymph nodes;
  3. PTV3 includes the lymph nodes with possible infiltration of microscopic disease.
Back to article page

Radiation Oncology

ISSN: 1748-717X

Contact us