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Table 1 Calculated patient doses delivered to regions of interest for kVCT, MVCT and hybrid plans

From: Optimization of tomotherapy treatment planning for patients with bilateral hip prostheses

  

Patient 1

Patient 2

Patient 3

 

Organ

kVCT

MVCT

Hybrid

kVCT

MVCT

Hybrid

kVCT

MVCT

Hybrid

D5MVCT

B

67.1

63.7

67.6

81.8

77.2

80.9

78.6

80.3

78.7

R

76.0

75.6

75.3

65.0

70.5

70.9

77.6

81.2

77.7

D10MVCT

B

62.5

60.8

62.3

75.1

75.6

75.3

77.0

77.1

77.1

R

69.0

70.3

68.5

59.1

64.1

64.4

77.4

80.6

77.5

D25MVCT

B

48.1

48.4

48.4

50.7

57.1

55.6

67.8

67.8

68.1

R

51.4

51.7

51.7

45.2

48.4

50.0

74.8

72.0

74.9

D35MVCT

B

41.2

39.9

42.3

39.4

49.0

46.0

58.8

59.5

59.0

R

43.5

42.7

44.0

37.5

41.5

40.1

69.5

63.5

69.4

D50MVCT

B

30.9

33.0

31.9

25.4

37.3

34.2

48.1

47.2

48.1

R

35.7

33.0

36.1

31.9

35.1

34.2

59.2

45.2

59.5

D99

P

72.2

72.8

72.2

74.2

73.7

74.6

71.9

73.8

71.8

D1

P

83.6

81.4

83.5

89.1

82.6

85.0

79.6

85.1

79.7

  1. Doses to volumes of the planning target volume (PTV), bladder and rectum for treatment plans using original kVCT, MVCT, and hybrid image sets are shown. B = bladder, R = rectum, and P = PTV. DnMVCT is the dose delivered to the absolute volume corresponding to n% of the ROI in the MVCT base plans.