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Isolated hemihyperplasia

Disease definition

Isolated hemihyperplasia is a rare overgrowth syndrome characterized by an asymmetric regional body overgrowth, involving at least one limb, and associated with an increased risk of developing embryonal tumors, principally nephroblastoma (see this term) and hepoblastoma.


Classification level: Disorder
  • Synonym(s):
    • Hemi 3 syndrome
    • Hemicorporal hypertrophy
    • Isolated hemihypertrophy
  • Prevalence: -
  • Inheritance: -
  • Age of onset: -
  • ICD-10: Q87.3
  • OMIM: 235000
  • UMLS: C0332890  C1856184
  • MeSH: -
  • GARD: 2630
  • MedDRA: 10019463
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