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Table 2 Dose constraints for plan optimization and tuning balance

From: Improved plan quality with automated radiotherapy planning for whole brain with hippocampus sparing: a comparison to the RTOG 0933 trial

Structure

DVH parameter

Dose (Gy)

Priority

PTV_7mm

–

30

–

Hippocampus

Max dose

14.5

High

D40%

10

Medium

D99%

8

High

Lens

Max dose

5

High

Lacrimal gland

Max dose

20

Medium

Mean dose

10

Medium

  1. Tuning balance
  2. Conform to Target: 30%
  3. Dose fall-off Margin: 2.6 cm
  4. Hot-Spot Maximum goal: 105%
  5. Abbreviations: PTV_7mm planning target volume minus the hippocampus expanded by 7 mm in three-dimension, D99% dose to 99% of the volume, D40% dose to 40% of the volume
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Radiation Oncology

ISSN: 1748-717X

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