Table 1 Patient characteristics
From: Evaluation of particle radiotherapy for the re-irradiation of recurrent intracranial meningioma
Age at re-irradiation (years) | ||||
Mean (SD) | 53 | 13,4 | ||
Median (Q1-Q3) | 53 | 47–61 | ||
Median (range) | 53 | 18–77 | ||
n= | % | |||
Gender | ||||
male | 17 | 40,5% | ||
female | 25 | 59,5% | ||
Histology | ||||
WHO I | 10 | 23,8% | ||
WHO II | 25 | 59,5% | ||
WHO III | 6 | 14,3% | ||
unknown | 1 | 2,4% | ||
Location | ||||
skull base | 31 | 73,8% | ||
falx | 6 | 14,3% | ||
convexity | 5 | 11,9% | ||
Karnofsky performance score | ||||
≥ 80% | 34 | 81,0% | ||
< 80% | 8 | 19,0% | ||
Previous radiotherapy | ||||
IMRT | 16 | 38,1% | ||
3DCRT | 16 | 38,1% | ||
SRS/FSRT | 8 | 19,0% | ||
radiopeptide | 1 | 2,4% | ||
carbon ions | 1 | 2,4% | ||
Recurrence | ||||
infield / field border | 38 | 90,5% | ||
outfield | 4 | 9,5% | ||
Particle therapy | ||||
protons | 8 | 19,0% | ||
carbon ions | 34 | 81,0% | ||