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Table 5 Dosimetry parameters

From: Stereotactic body radiotherapy for intramedullary metastases: a retrospective series at the Oscar Lambret center and a systematic review

No. Of patients

Near_Max (Gy)

Near_Min (Gy)

D50% (Gy)

D98%_GTV (Gy)

D95%_PTV (Gy)

D99%_PTV (Gy)

Prescription isodose (%)

D2%_Spinal_Cord (Gy)

D98%_Spinal_Cord (Gy)

D50%_SPinal_Cord (Gy)

1

30.7

28.8

30.0

29.5

29.1

28.5

97

30.6

0.2

13.6

2

44.5

20.8

38.8

26.4

22.8

20.0

80

13.9

0.7

0.8

3

29.1

25.1

27.1

26.6

25.3

25.0

85

19.7

0.1

0.2

4

42.1

27.8

35.8

32.4

28.9

26.7

85

2.8

0.3

0.4

5

41.5

24.1

33.5

28.6

24.7

23.6

73

24.4

0.02

0.4

  1. Abbreviations: Gy, gray; Dx%, dose received in x% of the volume; Near_Max: dose received in 2% of the PTV; Near_Min: dose received in 98% of the PTV