Sarcomatoid intrahepatic cholangiocarcinoma mimicking liver abscess: A case report

Table 3 Summary of radiological features of 44 patients

		Radiological features	Number
Location		Left lobe	18/44 (40.9%)
		Right lobe	10/44 (22.7%)
		Hepatic hilum	4/44 (9.0%)
		Multiple	1/44 (2.3%)
		Unknown	11/44 (25.0%)
Tumor size (cm)1			9.0 ± 5.2
US		Hypoechoic	6/23 (26.1%)
		Hyperechoic	3/23 (13.0%)
		Mixed-echoic	10/23 (45.5%)
		Unseen	1/23 (4.3%)
		Unknown	3/23 (13.0%)
CT	Plain	Low density	19/19 (100%)
	Enhancement	Enhanced peripheral areas (progressive enhancement to the central region)	22/23 (95.7%)
			(12/23) (52.2%)
		Without enhancement	1/23 (4.3%)
MRI	T1 WI	Iso/Low intensity	6/8 (75.0%)
	T2 WI	High intensity border	1/8 (12.5%)
		High and low intensity	5/8 (62.5%)
	Unknown		2/8 (25.0%)
	Enhancement	Enhanced peripheral areas (progressive enhancement to the central region)	2/8 (25.0%)
			(2/8) (25.0%)
	Unknown		6/8 (75.0%)
Angiography		Hypovascularity	1/3 (33.3%)
		Unknown	2/3 (66.7%)

¹Values for tumor size are presented as means ± SD (n = 44). CT: Computed tomography; MRI: Magnetic resonance imaging.s