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White sponge nevus

Orpha number ORPHA171723
Synonym(s) Hereditary mucosal leukokeratosis
White sponge nevus of Cannon
Prevalence -
Inheritance
  • Autosomal dominant
Age of onset -
ICD-10
  • Q38.6
OMIM
UMLS -
MeSH -
MedDRA -
SNOMED CT
  • 389203001

Summary

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.


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