Changes of tumor microcirculation after transcatheter arterial chemoembolization: First pass perfusion MR imaging and Chinese ink casting in a rabbit model

Table 1 Tumor volumes pre- and post-treatment (cm³)

Group	Pre-treatment	Post treatment
Control	0.430 ± 0.067	1.620 ± 0.327
Lipiodol	0.465 ± 0.120	0.971 ± 0.285a
Bletilla	0.402 ± 0.171	0.736 ± 0.145a

^aP < 0.05 vs control.

Table 2 SS values at the rim of tumor in different groups

Group	SS (%·s-1)	F	P
Control	124 ± 62
Lipiodol	49 ± 15	11.08	0.004a
Bletilla	35 ± 9	6.88	0.019a

^aP < 0.05 vs control.

Table 3 Correlation between SS values and MVA in different groups

Group	SS (%·s-1)	MVA (μm2)	rs	P
Control	124 ± 62	35510 ± 15675	0.985	< 0.05
Lipiodol	49 ± 15	80031 ± 22745	0.527	> 0.05
Bletilla	35 ± 9	15530 ± 7973	0.743	< 0.05