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Table 3 Radiation therapy characteristics

From: Excellent local control with IOERT and postoperative EBRT in high grade extremity sarcoma: results from a subgroup analysis of a prospective trial

Radiation therapy N %
IOERT dose   
10 Gy 3 10
12 Gy 8 26
15 Gy 20 65
IOERT energy   
6 MeV 21 68
8 MeV 8 26
10 MeV 2 6
IOERT cone   
circle-shaped 13 42
squizzle-shaped 18 58
median size 9 cm
min size 5 cm
max size* 22 cm
EBRT total dose   
< 40 Gy 1 3
40-50.4 Gy 29 85
> 50.4** 4 12
  1. n: number of patients,%: percentage (IOERT n = 31, EBRT n = 34), IOERT: Intraoperative electron radiation therapy, EBRT: external beam radiation therapy, Gy: Gray, MeV: mega electron volts, cm: centimeter, min: minimum, max: maximum, *: sum of multiple fields, **: one patient received two additional fractions for compensation of a planned treatment break for a total dose of 54 Gy, three patients without IORT boost received a total dose of 60 Gy.