5 Matching Annotations
  1. Apr 2022
    1. The risk of RN when treated with 3 fractions seems to be related to the volume receiving 18 Gy (12). Rates of radionecrosis are estimated to be 5% for V18 ≤ 30.2 cm3 and up to 14% for V18 > 30 cm3 (12).

      Dosis restricción tallo cerebral

    1. For HSRT, most common schedules were 24–27 Gy in 3 fractions and 30–35 Gy in 5 fractions with a reported similar 12-month local control of about 85–95%

      Control local a 1 año en metástasis cerebrales: - 24-27Gy en 3 fracciones y 30-35Gy en 5 fracciones = 85-95%

    1. Schedules 3 × 9 Gy and 5 × 6 Gy corresponding to lower BED10 Gy of 51.3 Gy and 48 Gy respectively, were more often applied on post-operative cavity and smaller lesions

      BED 3 x 9 Gy = 51.3 Gy BED 5 x 6 Gy = 48 Gy

    1. The total dose of prescription was 25 or 40 Gy in 5 fractions volumetrically such that the entire prescription dose was applied at least 99% of the PTV and delivered over a 7- to 14-day period

      Dosis 25-40 Gy en 5 fx Tallo cerebral < 31 Gy Nervio óptico < 25 Gy Dosis mínima a cerebro y cristalino