Orphanet: Juvenile polyposis of infancy

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Juvenile polyposis of infancy

Disease definition

Juvenile polyposis of infancy (JPI) is the most severe form of juvenile gastrointestinal polyposis (see this term) and is characterized by pancolonic hamartomatous polyposis from stomach to rectum, diagnosed in the first two years of life.


Classification level: Subtype of disorder
  • Synonym(s):
    • Infantile juvenile polyposis syndrome
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal dominant or Not applicable 
  • Age of onset: Infancy, Neonatal
  • ICD-10: D12.6
  • OMIM: 175050  612242
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Detailed information


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