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Table 2 Fractionation schemes

From: Intracranial control after Cyberknife radiosurgery to the resection bed for large brain metastases

No. of fractions N Median dose (Gy) Median dose per fraction (Gy) Median diameter (cm) Median isodose line (%)
1 2 18.5 (16–21) 18.5 (16–21) 2.8 (2.8–2.9) 61 (55–66)
3 5 24 (24) 8 (8) 3.6 (3.1–4.5) 76 (71–79)
5 26 30 (25–35) 6 (5–7) 4.2 (3.2–6.7) 76 (64–88)
  1. No. number, PTV planning treatment volume