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 6 Spearman correlation between dose metrics calculated based on scintigraphic or MRI contourings, in patients receiving resin microspheres (n = 25) and glass microspheres (n = 23)

	Scintigraphic-based contours	MRI-based contours	Resin microspheres (n = 25)		Glass microspheres (n = 23)
	Scintigraphic-based contours	MRI-based contours	r	p	r	p
Pre-treatment dose metrics	Dm-Pre-C_SPECT	Dm-Pre-C_MRI	0.70	0.0001	0.71	0.0002
	D70-Pre-C_SPECT	D70-Pre-C_MRI	0.22	NS	0.47	0.02
Post-treatment dose metrics	Dm-Post-C_PET	Dm-Post-C_MRI	0.76	< 0.0001	0.54	0.007
	D70-Post-C_PET	D70-Post-C_MRI	0.49	0.01	0.15	NS