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Prader-Willi syndrome

Disease definition

Prader-Willi syndrome is a rare genetic disorder characterized by hypothalamic-pituitary abnormalities with severe hypotonia during the neonatal period and first two years of life and the onset of hyperphagia with a risk of morbid obesity during infancy and adulthood, learning difficulties and behavioral problems or severe psychiatric problems.

ORPHA:739

  • Synonym(s):
    • Prader-Labhart-Willi syndrome
    • Willi-Prader syndrome
  • Prevalence: 1-9 / 100 000
  • Inheritance: Not applicable 
  • Age of onset: Neonatal, Antenatal
  • ICD-10: Q87.1
  • OMIM: 176270  615547
  • UMLS: C0032897
  • MeSH: D011218
  • GARD: 5575
  • MedDRA: 10036476

Detailed information

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