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Table 1 Ionization chamber measurements in homogeneous phantom (Cheese phantom) for the different treatment plans.

From: Dosimetric accuracy of tomotherapy dose calculation in thorax lesions

 

Target (22 points)

OAR (27 points)

Mediastinum

-0.5 ± 1.6%

0.5 ± 2.7%

Single metestasis

1.9 ± 1.5%

1.3 ± 3.1%

Multipla metastasis

0.8 ± 1.0%

1.1 ± 2.5%

Average

0.7 ± 1.2%

1.0 ± 0.4%

  1. Percentage deviation between measured and calculated dose, for target and OAR point measurements.
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Radiation Oncology

ISSN: 1748-717X

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