Familial occurrence of congenital bile duct dilatation

Table 1 Reported cases of familial occurrence of congenital bile duct dilatation

Year	Authors	Combination	Age	Extrahepatic bile duct	Intrahepatic bile duct dilatation	Anomalous pancreaticobiliary duct junction (APBDJ)
1981	Chiba[1]	Elder sister	4 yr 10 mo	Fujiform	+	+
		Younger sister	3 yr 9 mo		+	+
1985	Iwama[2]	Mother	48 yr	Fujiform	-	+
		Daughter	11 yr	Cystic	-	unknown
1986	Akiyama[3]	Mother	34 yr	Cystic	Unknown	unknown
		Daughter	3 mo		+	unknown
1987	Date[4]	Elder brother	7 yr	Cystic	-	+
		Younger sister	10 yr	Fujiform	-	unknown
1990	Iwafuchi[5]	Mother	25 yr	Cystic	+	+
		Daughter	2 yr 7 mo	Fujiform	-	+
1996	Narita[6]	Mother	48 yr	Cystic	Unknown	+
		Daughter	34 yr		+	+
1998	Iwata[7]	Mother	33 yr	Choledochocele	-	-
		Daughter	7 d	Cystic	Unknown	+
1999	Lane[8]	Dizygotic twins	3 yr	Cystic	-	+
		(Females)	3 yr	Fujiform	+	+
2005	Tokuhara[9]	Dizygotic twins	2 yr 4 mo	Fujiform	+	+
		(Females)	2 yr 6 mo	Cystic	-	+
2002	Our case	Mother	65 yr	Cystic	-	+
		Son	25 yr		+	+