Perfusion characterization of liver metastases from endocrine tumors: Computed tomography perfusion

Table 1 Computed tomography perfusion parameters of metastases from neuroendocrine tumors and background liver

CT p parameters	Liver metastases from neuroendocrine tumors	Background liver	P value
BF (mL/100 g per minute)	170.5 ± 114.9	80.6 ± 38.3	< 0.001
BV (mL/100 g)	20.8 ± 11.8	13.9 ± 6.7	< 0.01
PS (mL/100 g per minute)	20.9 ± 11.8	15.9 ± 6.6	< 0.05
MTT (s)	11.4 ± 3.6	15.2 ± 3.3	< 0.001
HAPI	0.66 ± 0.21	0.21 ± 0.17	< 0.001

CT p: Computed tomography perfusion; BF: Blood flow; BV: Blood volume; MTT: Mean transit time; HAPI: Hepatic arterial perfusion index; PS: Permeability-surface area product.