Cutting balloon treatment of anastomotic biliary stenosis after liver transplantation: Report of two cases

Table 1 Patient characteristics

Case No.	Age, yr	Sex	Diagnosis	Child-Pugh scores	MELD scores
Case 1	40	Male	Subacute fulminant hepatitis C	9	15
Case 2	57	Male	Hepatitis B virus-related end-stage cirrhosis associated with HCC	6	17

HCC: Hepatocellular carcinoma.

Table 2 Etiologies of biliary stenosis

Procedure-related factors	Non-procedure-related factors
Biliary anastomosis	Chronic pancreatitis
Cholecystectomy	Inflammation and infections
Ischemic injury	Primary sclerosing cholangitis
Choledocholithiasis	Radiation therapy
Post-endoscopic biliary sphincterotomy	Autoimmune cholangiopathy
Trauma	Sphincter of Oddi dysfunction