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White sponge nevus

Disease definition

White sponge nevus (WSN) is a rare and autosomal dominant genetic disease in which the oral mucosa is white or greyish, thickened, folded, and spongy. The onset is early in life, and both sexes are affected equally. Other common sites include the tongue, floor of the mouth, and alveolar mucosa.

ORPHA:171723

  • Synonym(s):
    • Hereditary mucosal leukokeratosis
    • White sponge nevus of Cannon
  • Prevalence: -
  • Inheritance: Autosomal dominant 
  • Age of onset: -
  • ICD-10: Q38.6
  • OMIM: 193900  615785
  • UMLS: C1721005
  • MeSH: -
  • GARD: 8501
  • MedDRA: -

Additional information

Further information on this disease

Specialised Social Services

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