Expectations from imaging for pre-transplant evaluation of living donor liver transplantation

Table 1 Michel’s classification of hepatic arterial variants

Type	Frequency ofoccurrence (%)	Description
I	55	RHA and LHA from the CHA
II	10	Replaced LHA from LGA
III	11	Replaced RHA from SMA
IV	1	Replaced RHA and LHA
V	8	Accessory LHA from LGA
VI	7	Accessory RHA from SMA
VII	1	Accessory RHA and LHA
VIII	4	Accessory RHA and LHA and replaced LHA or RHA
IX	4.5	CHA from SMA
X	0.5	CHA from LGA

RHA: Right hepatic artery; LHA: Left hepatic artery; CHA: Common hepatic artery; LGA: Left gastric artery; SMA: Superior mesenteric artery.