A biliary stricture is an abnormal narrowing of the common bile duct, the tube that moves
Bile duct stricture
Causes, incidence, and risk factors
A biliary stricture is often caused by surgical injury to the bile ducts. For example, it may occur after surgery to remove the gallbladder.
Other causes of this condition include:
Cancer of the bile duct
Damage and scarring due to a
gallstone in the bile duct
Primary sclerosing cholangitis
Risk factors include previous
on the upper right side of belly
Chills Fever Itching
- Nausea and vomiting
Pale or clay-colored stools
Signs and tests
The following tests can help diagnose this condition:
- Endoscopic retrograde cholangiopancreatography (ERCP)
Percutaneous transhepatic cholangiogram(PTC)
- Magnetic resonance cholangiopancreatography (MRCP)
The following blood tests can help reveal a problem with the
Alkaline phosphatase(ALP) is higher than normal. Bilirubinlevel is higher than normal.
This condition may also alter the results of the following tests:
Amylase level Lipase level Urine bilirubin
- Prothrombin time (
The goal of treatment is to correct the narrowing so bile flow normally from the liver into the intestine.
This may involve:
- Endoscopic or percutaneous dilation
If surgery is done, the stricture may be removed and the common bile duct rejoined with the small intestine.
In some cases, a stent (a tiny metal or plastic mesh tube) is placed across the bile duct stricture to keep it open. See:
Treatment is usually successful.
Inflammation and narrowing of the biliary duct may return in some people. There is a risk for infection above the narrowed area. Long-standing strictures can lead to
Calling your health care provider
Call for an appointment with your health care provider if symptoms recur after pancreatitis,