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Table 4 Treatment characteristics

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

No. of patients Total dose (Gy) Number of fractions Fraction (Gy) BED (α/ß = 10) (Gy) BED (α/ß = 2) (Gy) GTV (cc) PTV (cc)
1 30 6 5 45 105.0 1.72 2.62
2 36 6 6 57.60 144.0 1.16 1.95
3 25 5 5 37.50 87.5 2.74 5.27
4 36 6 6 57.60 144.0 0.31 0.62
5 30 6 5 45 105.0 1.0 1.58
  1. Abbreviations: Gy, gray; cc, cubic centimeter; BED, biologically effective dose