Orphanet: Hereditary mixed polyposis syndrome

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Hereditary mixed polyposis syndrome

Disease definition

Hereditary mixed polyposis syndrome (HMPS) describes an autosomal dominantly inherited large-bowel disease characterized by the presence of a mixture of hyperplastic, atypical juvenile and adenomatous polyps that are associated with an increased risk of developing colorectal cancer if left untreated.


Classification level: Disorder
  • Synonym(s):
    • HMPS
  • Prevalence: -
  • Inheritance: Autosomal dominant 
  • Age of onset: Childhood
  • ICD-10: D12.6
  • OMIM: 601228  610069
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Detailed information


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