Fish mouth (illustration)

Case contributed by Frank Gaillard
Diagnosis not applicable
Diagram

In IPMN, dilatation of the main pancreatic duct, with a column of mucin extending into the ampulla of Vater endoscopically, is reminiscent of the open mouth of a fish and is therefore known as the fish mouth ampulla sign.

Case Discussion

Image generated with Midjourney.com by Frank Gaillard.

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