Particle Therapy 2017

1580-1581 / 2605

PROGNOSTICATORS
TOTAL DOSE
• Total dose (Whole brain, Cr Spinal)
• 25 (24) vs 35 (36) Gy : FSIQ : 12
points gain (Silber, JCO 1992)
• IQ < 75: 30% vs 65%
(Kieffer-Renaux, Developmental Medicine &
Child Neurolog, 2000)
• 18 vs 24 Gy IQ : 8 points gain