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PTEN hamartoma tumor syndrome

Disease definition

A group rare skin tumor or hamartoma diseases characterized by a germline PTEN mutation and clinical manifestations of hamartomas, overgrowth, and increased risk of neoplasia, notably breast carcinomas, epithelial thyroid carcinomas, endometrial carcinomas, renal cell carcinomas, and colorectal carcinoma. Non-malignant manifestations include macrocephaly, benign thyroid pathology (especially Hashimoto thyroiditis), mucocutaneous hamartomas, colonic polyps, and vascular malformations. Diseases in this group include Cowden syndrome, Bannayan-Riley-Ruvalcaba syndrome, Proteus-like syndrome, Lhermitte-Duclos disease, and Segmental outgrowth-lipomatosis-arteriovenous malformation-epidermal nevus syndrome.


Classification level: Group of disorders
  • Synonym(s):
    • PHTS
  • Prevalence: Unknown
  • Inheritance: Autosomal dominant 
  • Age of onset: All ages
  • ICD-10: -
  • OMIM: -
  • UMLS: C1959582
  • MeSH: -
  • GARD: 12800
  • MedDRA: -

Detailed information


Disease review articles

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