n (male: female) | 47 (26:21) |
median age (range) | 49.68 years (2–88) |
histology | Â |
    meningioma | 14 |
   anaplastic astrocytoma | 11 |
   glioblastoma | 8 |
   oligodendroglioma | 5 |
   craniopharyngeoma | 4 |
   oligoastrocytoma | 1 |
   xantoastrocytoma | 2 |
   gliosarcoma | 1 |
   rhabdomyoid tumor | 1 |
3 D conformal plan a | 27 |
micromultileaf collimator (m3) IMSRT a | 20 |
total radiation dose (ICRU 50) | Â |
   mean ± SD (range) | 55.19 ±3.77 (50–60) Gy |
PTV volume | Â |
   mean ± SD (range) | 79.13 ±66.62 (2.1-255.3) ml |
topographic groups b (n) | Â |
   A | 11 |
   B | 8 |
   C | 14 |
   D | 14 |