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Table 2 The PTV dose parameters of five plans x ¯ ± d

From: A comparative dosimetric study for treating left-sided breast cancer for small breast size using five different radiotherapy techniques: conventional tangential field, filed-in-filed, Tangential-IMRT, Multi-beam IMRT and VMAT

Parameters

TW

FIF

T-IMRT

7-IMRT

VMAT

D98(Gy)

47.3±0.4

47.0±0.4

47.0±0.6

47.3±0.6

46.4±0.6

D2(Gy)

53.2±0.6

52.0±0.6

52.7±0.6

52.4±0.5

53.4±0.7

D50(Gy)

50.6±0.6

50.7±0.4

50.7±0.4

50.4±0.4

51.0±0.4

V95%

96.2±1.6A

95.6±1.6A

96.8±1.7A

96.1±1.7A

94.7±1.2A

CI

2.0±0.5Aa

1.7±0.4A

1.6±0.3Ab

1.3±0.1Bb

1.4 ±0.2Bb

HI

0.13±0.02A

0.11±0.02B

0.11±0.03B

0.11±0.02B

0.14±0.02A

  1. A had significant difference with B (p<0.05), and, a had significant difference with b (p<0.05). Otherwise the difference was not significant between any two (p>0.05).
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Radiation Oncology

ISSN: 1748-717X

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