Hepatocellular carcinoma treated with transarterial chemoembolization: Dynamic perfusion-CT in the assessment of residual tumor

Table 1 Descriptive characteristics of analyzed perfusion parameters

Parameter	Primary treated lesion site in region of deposited iodized oil			Background cirrhotic liver parenchyma			Residual hepatocellular carcinoma
	Median	1stqt	3rdqt	Median	1stqt	3rdqt	Median	1stqt	3rdqt
HP (mL/100 g per minute)	10.5	9.3	13.7	10.4	9.3	13.2	44.4	31.3	55.8
BV (mL/100 g)	5.2	1.3	6.7	11.7	9.5	11.9	18.7	11.5	22.5
HPI (%)	10.7	0.3	14.9	16.4	13.8	18.3	65	53.2	85.0
AP (mL/s)	11.2	4	12.5	10.4	9.5	11.9	39	36.5	61.3
TTP (s)	40.3	34.6	44.6	44.6	40.3	51.8	17.3	15.8	26.5

HP: Hepatic perfusion; BV: Blood volume; HPI: Hepatic perfusion index; AP: Arterial perfusion; TTP: Time to peak.