These tend to be small and are often not seen with imaging. They are strongly associated with FAP. CT • Low-density mass centred on the am...
These tend to be small and are often not seen with imaging. They are strongly associated with FAP.
CT
• Low-density mass centred on the ampulla
• Double duct sign (dilated common bile duct and pancreatic duct) with no detectable pancreatic head mass
MRCP
• Abrupt cut-off of the distal common bile duct
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