Development of a biliary multi-hole self-expandable metallic stent for bile tract diseases: A case report

Table 1 Characteristics and outcomes of six cases treated with multi-hole self-expandable metallic stents

Case No.	Age (yr)/sex	Diagnosis	Obstruction region	Migration	Occlusion	Ingrowth	Removal	Pancreatitis
1	74/M	Liver metastasis of colon carcinoma	Hilar bile duct	No	No	Not clear	N/A	No
2	89/F	Cholangiocarcinoma	Hilar bile duct	No	249 d	Yes	N/A	No
3	86/M	Cholangiocarcinoma	Hilar bile duct	No	329 d	Yes	N/A	No
4	48/M	Gall bladder carcinoma	Hilar bile duct	No	295 d	Yes	N/A	No
5	82/M	Pancreas head carcinoma	Distal bile duct	No	223 d	Slight	Successful	No
6	74/M	Post-endoscopic sphincterotomy bleeding	Distal bile duct	No	No	Slight	Successful (2 wk later)	No

M: Male; F: Female; N/A: Not applied.