Cholangioscopy-assisted extraction through novel papillary support for small-calibre and sediment-like common bile duct stones

Table 1 Clinical characteristics and treatment outcomes for 7 patients with choledocholithiasis undergoing cholangioscopy-assisted extraction through novel papillary support

Case No.	Age (yr)/sex	Chief complaint	Stone size (cm)1	Stone colour	Number of stones	Operation time (min)	Balloon dilatation	Extraction method	Postoperative adverse events
1	44/female	Abdominal pain	0.6	None	1	64	Yes	Aspiration	Postoperative pancreatitis
2	54/female	Abdominal pain	1.0	Black grey	1	53	No	Basket	Hyperamylasaemia
3	25/female	Abdominal pain	0.4-0.6	Brown	5	45	No	Balloon and aspiration	None
4	68/male	Abdominal pain	0.5	Black	1	87	No	Basket	None
5	29/female	Abdominal pain	Sediment-like	Yellow	Sediment-like	13	No	Aspiration	None
6	83/male	Abdominal pain	Sediment-like	Yellow	Sediment-like	31	No	Aspiration	Hyperamylasaemia
7	32/female	Abdominal pain	0.5 cm	Yellow	1	39	No	Aspiration	None

¹The stone size was measured under computerized tomography on the maximal cross section.