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Table 3 Impact on setup technique on D 95 , D 05 and D av of the PTV as compared to the original treatment plan

From: Frameless fractionated stereotactic radiation therapy of intracranial lesions: impact of cone beam CT based setup correction on dose distribution

PTV

Laser setup

CBCT setup

D95

D05

Dav

D95

D05

Dav

mean

−12.3%

−3.9%

−5.9%

−0.4%

−0.5%

−0.1%

max

−31.8%

−17.7%

−20.4%

−0.8%

−3.9%

−0.4%

min

−1.7%

−0.2%

−0.5%

0.2%

0.2%

0.4%

  1. Changes are given in % of the respective dose value of the treatment plan, negative values represent a dose reduction and positive values an increase.
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Radiation Oncology

ISSN: 1748-717X

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