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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

Classification level: Disorder
  • Synonym(s):
    • Hereditary mucosal leukokeratosis
    • White sponge nevus of Cannon
  • Prevalence: -
  • Inheritance: Autosomal dominant 
  • Age of onset: -
  • ICD-10: Q38.6
  • ICD-11: DA02.0
  • OMIM: 193900  615785
  • UMLS: C1721005
  • MeSH: -
  • GARD: 8501
  • MedDRA: -

Additional information

Further information on this disease

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Specialised Social Services

The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.