Bile ducts within the liver
Expansion
Intrahepatic Duct
Purpose
Component of biliary tree; assesses for dilatation indicating obstruction
Clinical Context
Intrahepatic duct equals right and left hepatic ducts within liver parenchyma. Normal diameter less than 4 millimetres; dilatation suggests distal obstruction.
Related Terms
- Common hepatic duct
- Common bile duct
Key Points
- Intrahepatic duct dilatation greater than 4 millimetres suggests obstruction; trace to source of obstruction