. Author manuscript; available in PMC: 2010 Jun 1.

Published in final edited form as: Int J Hyperthermia. 2008 Aug;24(5):377–388. doi: 10.1080/02656730801929923

Table IV.

Dosimetric parameter comparison between superficial PTV treatment plans.

Planned to be delivered over 25 equal fractions	PTV mean dose (Gy)	PTV D95% (Gy)	PTV coefficient of variation (%)	Heart average dose (Gy)	Spinal cord maximum dose (Gy)	Lungs average dose (Gy)	Abdomen average dose (Gy)
Complete block constraint^*	52.6	50.1	2.8	19.3	16.4	8.8	18.4
Directional block constraint^*	51.6	50.1	1.6	14.6	13.0	7.7	13.8
Electronics outside of treatment field^@,^#	50.9	49.8	1.2	13.3	7.8	10.1	18.7
No SURLAS	50.3	49.6	0.8	14.5	7.0	8.9	11.0

SURLAS positioned with its long axis (see figure 1) perpendicular to the longitudinal axis of the RANDO phantom.

SURLAS positioned with its long axis (see figure 1) parallel to the longitudinal axis of the RANDO phantom.

Mean of average doses of five treatment plans.

PTV: Planning Target Volume.

PTVD95%: Dose covering 95% of the PTV.

Coefficient of variation: standard deviation of the PTV dose distribution divided by the PTV average dose.