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Table 4 Gamma index values averaged over all patient population for each structure and 3D total dose with gamma criteria of 3% dose difference and 3 mm DTA.

From: Monte Carlo dose verification of prostate patients treated with simultaneous integrated boost intensity modulated radiation therapy

 

PTVprostate

PTVnodes

Rectum

Bladder

Small Bowel

Femurs

Total 3D dose

Fraction of points pass γ (%)

96.0 ± 4.4

96.1 ± 3.9

97.7 ± 2.7

96.5 ± 4.8

90.2 ± 9.7

91.6 ± 5.7

94.3 ± 1.9

  1. Note that The MC dose calculation was used as the reference dose for the 3D gamma analysis.