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Accessory pancreas

Synonym(s) -
Prevalence <1 / 1 000 000
Inheritance Not applicable
Age of onset Infancy
  • Q45.3
  • C0266268
  • C536003
MedDRA -


Disease definition

Accessory pancreas is an asymptomatic embryopathy characterized by the presence of pancreatic tissue in other sites of the body such as the splenic pedicle, gonadic pedicles, intestinal mesentery, duodenum wall, upper jejunum, or, more rarely, the gastric wall, ileum, gallbladder or spleen.


Prevalence is unknown and only a few cases have been reported in the literature so far.


The anomaly is caused by migration of pancreatic cells during embryogenesis.

Expert reviewer(s)

  • Pr Frédéric BARGY

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