Imaging findings of biliary hamartomas

Table 1 Details of six patients

No	Sex/age( yr)	ClinicalBackground	Imaging findings											Histologicaldiagnosis
			Size (mm)	Number	Distribution	US	CT		MRI		MRCP/scintigraphy	Associatedfindings	Follow-up.(time: month)
							Attenuation	enhancement	T1	T2
1	M/51	No symptoms	<10	Multiple	Scattered, whole liver	Hyper- and hypoechoic, with comet-tail echoes	Low	No	Hypo-intensit y	Hyper-intensity	Normal bile ducts	No Hepatic cysts	US for 52 mo, no change CT for 7 mo,	No
2	F/61	Ovary carcinoma	most lesions <10, several cysts 11-25	Multiple	Scattered, whole liver	Hyper- and hypoechoic, with comet-tail echoes	Low	No					no change
3	F/68	Hashimoto disease with liver damage	<10	Multiple	Scattered, whole liver	Hypoechoic	Low	No				No	US/CT for 19–48 mo, no change
4	M/72	No symptoms	<10	Multiple	Predominant in the right lobe	Hyper- and hypoechoic, with comet-tail echoes	Low	No	Hypo-intensity	Hyper-intensity	Hyperintensity, normal bile ducts(MRCP)	Right and left renal cysts	US/C T for 27–84 mo, no change
5	M/44	Diabetes	<10	Multiple	Scattered, whole liver	Hyper- and hypoechoic, with comet-tail echoes	Low	No	Hypo-intensity	Hyper-intensity	Hyperintensity, normal bile ducts (MRCP)	No	US for 25 mo, no change	VMCs
6	M/29	Diabetes	<10	Multiple	Scattered, whole liver	Hyper- and hypoechoic, with comet-tail echoes	Low	No				No	US for 100 mo, no change

AUPBD: anomalous union of the pancreatic and biliary ducts.