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

EJNMMI Research

Table 5 Comparison of dose metrics based on scintigraphic contours and MRI contouring in patients receiving resin and glass microspheres

	Resin microspheres (n = 25)			Glass microspheres (n = 23)
	Scintigraphic-based contours	MRI-based contours	p	Scintigraphic-based contours	MRI-based contours	p
D70-Pre-(C_SPECT and C_MRI) _(Gy)	82 [48–106]	68 [32–84]	NS	100 [71–123]	91 [40–148]	NS
Dm-Pre-(C_SPECT and C_MRI) _(Gy)	137 [69–172]	115 [108–204]	NS	150 [107–205]	153 [97–241]	NS
D70-Post-(C_PET and C_MRI) _(Gy)	52 [34–96]	39 [19–80]	NS	121 [102–166]	98 [37–202]	NS
Dm-Post-(C_PET and C_MRI) _(Gy)	79 [55–150]	98 [50–130]	NS	197 [150–264]	156 [94–331]	NS