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Table 1 Demographic and tumor characteristics and radiotherapy planning details

From: Neural stem cell sparing by linac based intensity modulated stereotactic radiotherapy in intracranial tumors

n (male: female)

47 (26:21)

median age (range)

49.68 years (2–88)

histology

 

    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)

 

   mean ± SD (range)

55.19 ±3.77 (50–60) Gy

PTV volume

 

   mean ± SD (range)

79.13 ±66.62 (2.1-255.3) ml

topographic groups b (n)

 

   A

11

   B

8

   C

14

   D

14

  1. a: to fulfil of conventionally defined organs at risk constraints (see text).
  2. b: according to the definition of [10].