Percutaneous Transhepatic Cholangiography

Bile duct opacification by contrast injection through the liver for anatomical visualization.

Biliary Interventions

Percutaneous Transhepatic Cholangiography

Synonyms : diagnostic PTC, percutaneous bile duct opacification

Background

When MRI and endoscopy are insufficient.

Procedure

Fine needle through liver into bile ducts, contrast injection. Duration: 20-30 minutes.

Risks

Biliary infection, bleeding, bile leak.

Recovery

Biliary drainage performed simultaneously if needed.

Practical information

Local anesthesia. Outpatient procedure (return home the same day).