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Table 2 Mean differences between internal target volume concept (ITV) and optimization of the surrounding isodose (OSI)

From: Influence of increased target dose inhomogeneity on margins for breathing motion compensation in conformal stereotactic body radiotherapy

 

P105

P125

P150

Δ D Min in %

3.6 ± 0.7

17.8 ± 4.0

37.1 ± 8.9

Δ Margin in mm

3.3 ± 1.6

3.6 ± 2.3

4.3 ± 3.0

Δ D Mean Surr in %

7.8 ± 3.0

6.4 ± 4.3

4.9 ± 3.1

  1. Abbreviations: absolute increase in minimum target dose Δ DMin, absolute increase in margin size Δ Margin, absolute increase in mean dose to surrounding region Δ DMean Surr
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BMC Medical Physics

ISSN: 1756-6649