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Table 2 Characteristics of salvage BT-HDR dose levels and total BED

From: Salvage brachytherapy in prostate local recurrence after radiation therapy: predicting factors for control and toxicity

 HDR-BT doses

BED (α/β = 1.5)

BED (α/β = 3)

Total BED2 Gy

   

α/β = 1.5 Gy

3 Gy

8.5 Gy × 2

125

65

52

39

6 Gy × 4

132

72

55

43

9 Gy × 2

140

72

59

43

9.5 Gy × 2

154

79

65

48

6 Gy × 5

165

90

69

54

8.5 Gy × 4

227

130

95

78

9 Gy × 4

279

144

116

86

10.5 Gy × 3

280

140

117

84

9.5 Gy × 4

308

158

119

95

13 Gy × 3

419

208

240

206

  1. HDR-BT = high dose rate brachytherapy; BED = biological equivalent doses;
  2. α/β = alfa/beta; BED2 Gy = biological equivalent doses at 2 Gy per fraction.
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Radiation Oncology

ISSN: 1748-717X

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