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Multiple endocrine neoplasia type 2

Disease definition

A rare multiple endocrine neoplasia (MEN) syndrome that is principally characterized by the association of medullary thyroid carcinoma (MTC) with other endocrine tumors. The variant MEN 2A is defined by MTC associated with pheochromocytoma and/or primary hyperparathyroidism (MEN2A); the variant MEN 2B is defined as an aggressive form of MTC in association with pheochromocytoma but without primary hyperparathyroidism.


Classification level: Disorder
  • Synonym(s):
    • MEN2
  • Prevalence: 1-9 / 100 000
  • Inheritance: Autosomal dominant 
  • Age of onset: Infancy, Adult, Adolescent, Childhood
  • ICD-10: D44.8
  • ICD-11: 2F7A.0
  • OMIM: 155240  162300  171400
  • UMLS: C4048306
  • MeSH: -
  • GARD: 3830
  • MedDRA: 10028191

Detailed information

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Disease review articles

Genetic Testing

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