Skip to main content

Table 2 Treatment parameters

From: Computed tomography-guided permanent brachytherapy for locoregional recurrent gastric cancer

Parameter Median Range
GTV (cm3) 14.58 3.23-58.65
PTV (cm3) 35.49 20.15-113.04
MPD (Gy) 120 100-160
D90 (% of prescription dose) 105.2 98.0-124.6
V100 (% of PTV) 95.8 90.2-120.5
No. of seed 40 15-75
Puncture tracks 5 2-10
Activity of seed (mCi) 0.7 0.5-0.8
Total activity (mCi) 28.0 10.5-52.5
  1. GTV: Gross Tumor Volume;PTV: Planning Target Volume; MPD:matched peripheral dose; PD prescription dose.