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Bile Duct Cyst

The Digitized Atlas of Mouse Liver Lesions

Bile duct cyst. A solitary biliary cyst at the edge of a liver lobe. This was grossly visible and such cysts are typically filled with clear to straw colored fluid and lined by flattened biliary epithelium. They are found occasionally in the liver of untreated mice. Note: The clear space in the cytoplasm of the hepatocytes was previously occupied by glycogen which has dissolved out in the aqueous formalin fixative.