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Table 2 Descriptive statistics of pelvic bone marrow dosimetric parameters

From: Can dosimetric parameters predict acute hematologic toxicity in rectal cancer patients treated with intensity-modulated pelvic radiotherapy?

Parameter

Median value (range)

Pelvic bone marrow

 

  Volume (mL)

1311(882-1663)

  Mean dose (cGy)

2944(2402-3410)

  V5 (%)

93(82-100)

  V10 (%)

86(73-99)

  V15 (%)

81(66-97)

  V20 (%)

72(56-84)

  V30 (%)

48(34-61)

  V40 (%)

31(18-42)

Lumbosacral spine

 

  Volume (mL)

285(213-387)

  Mean dose (cGy)

3616(2505-4550)

  V5 (%)

89(64-100)

  V10 (%)

81(55-100)

  V15 (%)

78(53-100)

  V20 (%)

75(44-100)

  V30 (%)

70(47-96)

  V40 (%)

60(37-77)

Ilium

 

  Volume (mL)

421(283-549)

  Mean dose (cGy)

2797(2233-3546)

  V5 (%)

90(77-100)

  V10 (%)

82(66-99)

  V15 (%)

77(61-99)

  V20 (%)

68(54-93)

  V30 (%)

46(30-73)

  V40 (%)

26(14-42)

Low pelvis

 

  Volume (mL)

593(385-808)

  Mean dose (cGy)

2748(1928-3893)

  V5 (%)

97(78-100)

  V10 (%)

91(70-100)

  V15 (%)

85(56-99)

  V20 (%)

69(43-93)

  V30 (%)

38(16-70)

  V40 (%)

18(6-41)

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Radiation Oncology

ISSN: 1748-717X

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