Cholangitis

• Inflammation of the bile ducts
• ascending infections
  • common in cats
  • calves eg Salmonella sp.

Cats

• • • cholangitis
    • periportal hepatocellular necrosis
    • neutrophils in the portal areas
    • acute or chronic.
    • Usually male, pure bred
    • Cats more ill than lymphocytic portal hepatitis.
    • Higher ALT and serum bilirubin levels.

Chronic lymphocytic cholangitis

• mature cats

Microscoically

• lymphocytic infiltration of the portal areas
• mild fibrosis
• biliary hyperplasia