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Table 1 summary of dosimetric results for CTV, PTV and organs at risk

From: Stereotactic body radiation therapy for liver tumours using flattening filter free beam: dosimetric and technical considerations

 

CTV

PTV

HT

Spine

Ipsilateral Kidney

Liver

 

1 les

2-3 les

1 les

2-3 les

1 les

2-3 les

1 les

2-3 les

1 les

2-3 les

1 les

2-3 les

Vol (cm 3 )

22.3 ± 14.3

18.6 ± 15.4

71.2 ± 33.6

72.2 ± 45.8

-

-

43.7 ± 26.7

46.0 ± 19.0

156.1 ± 40.6

154.0 ± 53.4

1349.1 ± 238.4

1708.0 ± 940.7

Mean (Gy)

75.9 ± 1.1

75.8 ± 0.6

72.9 ± 4.1

71.5 ± 4.4

30.0 ± 5.7

30.4 ± 2.6

  

3.4 ± 4.2

4.1 ± 3.8

15.1 ± 4.4

16.0 ± 6.9

D 0.1 cc (Gy)

-

-

-

-

-

-

9.8 ± 4.6

12.3 ± 4.2

-

-

-

-

D 1% (Gy)

77.8 ± 1.3

77.9 ± 1.0

77.4 ± 1.6

77.4 ± 1.1

-

-

-

-

-

-

-

-

D 95% (Gy)

73.7 ± 1.4

74.0 ± 0.8

66.7 ± 9.6

64.7 ± 9.8

-

-

-

-

-

-

-

-

V 10 Gy (%)

-

-

-

-

87.2 ± 17.1

85.3 ± 3.6

-

-

-

-

-

-

V 15 Gy (cm 3 )

-

-

-

-

-

-

-

-

10.0 ± 15.7

7.2 ± 8.9

384.2 ± 194.2

425.3 ± 234.2

V 67% (%)

-

-

99.3 ± 2.3

99.8 ± 0.3

-

-

-

-

-

-

-

-

V 80% (%)

-

-

92.8 ± 11.9

89.0 ± 14.2

-

-

-

-

-

-

-

-

V 95% (%)

99.4 ± 1.56

99.5 ± 0.45

81.6 ± 26.9

73.0 ± 32.4

-

-

-

-

-

-

-

-

V 107% (%)

0.0 ± 0.0

0.0 ± 0.0

0.1 ± 0.2

0.0 ± 0.0

-

-

-

-

-

-

-

-

CI 95%

-

-

1.1 ± 0.2

1.3 ± 0.5

-

-

-

-

-

-

-

-