Should we redefine large common bile duct stone?

Table 1 Clinical features, endoscopic retrograde cholangiopancreatography findings and management of common bile duct stone

Number of patients	Age (yr)	Sex	CBD diameter (mm)	Lower CBD diameter (mm)	Abdominal pain	Jaundice	cholangitis	Management
1	37	M	15	16	+	+	-	Stone extraction with basket
2	52	F	20	24	+	-	-	Stone extraction with basket
3	42	F	16	18	+	+	+	Stone extraction with basket
4	58	M	18	15	+	+	-	Stone extraction with basket
5	46	M	15	13	+	+	-	Stone extraction with basket
6	34	F	14	16	+	+	-	Stone extraction with basket
7	40	F	15	18	+	+	-	Stone extraction with basket
8	54	M	17	20	+	-	-	Stone extraction with basket
9	50	F	18	22	+	+	+	Stone extraction with basket
10	33	F	13	14	+	+	-	Stone extraction with basket
11	27	F	8	3	+	+	+	Biliary stent followed by mechanical lithotripsy
12	41	M	8	3	+	+	+	Biliary stent followed by mechanical lithotripsy
13	46	F	8	4	+	+	-	Mechanical lithotripsy
14	42	F	7	3	+	+	+	Biliary stent followed by mechanical lithotripsy
15	35	F	8	3	+	+	-	Mechanical lithotripsy
16	48	F	9	3	+	+	-	Biliary stent followed by mechanical lithotripsy