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Table 3 Comparison of dose metrics based on imaging before SIRT (99mTc-MAA SPECT/CT; pre-treatment dose metrics) and after SIRT (90Y-microspheres PET/CT; post-treatment dose metrics) in patients receiving resin and glass microspheres

From: Impact of contouring methods on pre-treatment and post-treatment dosimetry for the prediction of tumor control and survival in HCC patients treated with selective internal radiation therapy

 

Resin microspheres (n = 25)

Glass microspheres (n = 23)

Pre-treatment

Post-treatment

p

Pre-treatment

Post-treatment

p

D70-Pre-CSPECT and D70-Post-CPET (Gy)

82 [48–106]

52 [34–96]

NS

100 [71–123]

121 [102–166]

NS

Dm-Pre-CSPECT and Dm-Post-CPET (Gy)

137 [69–172]

79 [55–150]

NS

150 [107–205]

197 [150–264]

NS

D70-Pre-CMRI and D70-Post-CMRI (Gy)

68 [32–84]

39 [19–80]

0.02

91 [40–148]

98 [37–202]

NS

Dm-Pre-CMRI and Dm-Post-CMRI (Gy)

115 [108–204]

98 [50–130]

NS

153 [97–241]

156 [94–331]

NS

TNR-Pre-CMRI and TNR-Post-CMRI

7.7 [4.6–12.8]

6.9 [3.2–10.2]

NS

5.00 [2.3–8.6]

4.41 [3.1–7.5]

NS

  1. All values are median (Q1–Q3). p values are based on Wilcoxon test