Anatomic Variations of the Right Hepatic Duct: Results and Surgical Implications from a Cadaveric Study

Table 1

Frequency of anatomic variations of the right hepatic ductal system in Greek cadavers and reported presence in existing studies [12, 13, 21–23].

Anatomical variation	Samples (n)		Samples (%)		Reported presence (%)
	Males	Females	Males	Females
Typical anatomy of the right hepatic duct	24	24	68,57	63,15	52,9–58
Total	48		65,75
Ectopic drainage of the anterior duct into the common hepatic duct	5	6	14,28	15,78	16
Total	11		15,07
Triple confluence	3	4	8,57	10,52	11-12
Total	7		9,59
Ectopic drainage of the right posterior duct into the left hepatic ductal system	1	2	2,85	5,26	13–19
Total	3		4,11
Ectopic drainage of the right posterior duct into the common hepatic duct	1	1	2,85	2,63	4,5
Total	2		2,74
Ectopic drainage of the right anterior duct into the left hepatic ductal system	1	0	2,85	0	1
Total	1		1,37
Ectopic drainage of the right posterior duct into the cystic duct	0	1	0	2,63	2
Total	1		1,37
Total	35	38	100	100
	73