Bile Duct

Bile Duct Stricture

Narrowing of the bile duct causing obstruction to bile flow, jaundice, and infection risk.

Overview

Bile duct strictures are narrowings of the bile duct causing obstruction. They can be benign (post-surgical, chronic pancreatitis) or malignant (cholangiocarcinoma, pancreatic cancer). Accurate differentiation is critical as management differs significantly.

Causes

Post-surgical injury (most common benign cause)
Chronic pancreatitis
Cholangiocarcinoma
Pancreatic head cancer
Primary sclerosing cholangitis
IgG4-related disease

Risk Factors

Previous biliary surgery
Chronic pancreatitis
Autoimmune conditions
PSC

Symptoms

Jaundice

Itching

Pale stools, dark urine

Recurrent cholangitis (fever, pain, jaundice)

Weight loss

Diagnosis

MRCP (non-invasive, excellent for mapping)
ERCP with brushings/biopsy
CT with contrast
EUS
Tumor markers (CA 19-9)
Cholangioscopy (SpyGlass)

Treatment Options

1Endoscopic stenting (ERCP)

2Hepaticojejunostomy (surgical bypass)

3Percutaneous transhepatic drainage

4Balloon dilation

Surgical Treatment

Benign strictures: hepaticojejunostomy (Roux-en-Y) provides definitive bypass with 90%+ long-term success. Malignant strictures: curative resection if operable, or palliative stenting if advanced. Dr. Bhagat performs both endoscopic and surgical management.

Recovery

Hepaticojejunostomy: 7-10 days hospital stay. Long-term results excellent (>90% patency at 5 years). Endoscopic stenting: day-care, but may need replacement every 3-6 months.

Prevention

Careful surgical technique during cholecystectomy
Intraoperative cholangiography to identify bile duct anatomy
Early referral to HPB surgeon if bile duct injury suspected

Frequently Asked Questions

Is bile duct stricture always cancer?

No. Many strictures are benign (post-surgical, inflammatory). However, malignancy must be ruled out with MRCP, ERCP brushings, and sometimes cholangioscopy. Tissue diagnosis is important.

Can a damaged bile duct be repaired?

Yes. Hepaticojejunostomy (connecting a healthy part of the bile duct to a loop of intestine) provides excellent long-term results. Success rates exceed 90% in experienced hands.

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Frequently Asked Questions

Is bile duct stricture always cancer?

No. Many strictures are benign (post-surgical, inflammatory). However, malignancy must be ruled out with MRCP, ERCP brushings, and sometimes cholangioscopy. Tissue diagnosis is important.

Can a damaged bile duct be repaired?

Yes. Hepaticojejunostomy (connecting a healthy part of the bile duct to a loop of intestine) provides excellent long-term results. Success rates exceed 90% in experienced hands.