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Table 1 Treatment beam quality parameters

From: Dosimetric comparison of 4 MeV and 6 MeV electron beams for total skin irradiation

Electron beam

R50(cm)

Dmax(cm)

Ε ¯ 0 (MeV)

Rp(cm)

Contamination (%)

Standard 4 MeV

1.2

0.6

3.2

1.6

0.3

Standard 6 MeV

2.3

1.3

5.5

2.9

0.6

4 MeV TSEI

0.95

0.4

2.9

1.3

< 0.001

6 MeV TSEI

1.2

0.4

3.2

1.6

< 0.001

  1. Calculated using TG-70: Ε ¯ =0.656+2.059 R 50 +0.022 R 50 2 .
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Radiation Oncology

ISSN: 1748-717X

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