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White sponge nevus of the oral mucosa - Oral Mucosal Lesion
Other Resources UpToDate PubMed

White sponge nevus of the oral mucosa - Oral Mucosal Lesion

Contributors: Carl Allen DDS, MSD, Sook-Bin Woo MS, DMD, MMSc
Other Resources UpToDate PubMed

Synopsis

White sponge nevus is a rare genetic condition inherited in most cases as an autosomal dominant trait caused by mutations in either the keratin 4 or keratin 13 genes. Lesions may be evident at birth or early in childhood, but occasionally appear in the second decade.

Asymptomatic diffuse white plaques affect the buccal mucosa bilaterally. The degree of involvement varies considerably. Other oral mucosal sites of involvement may include ventral tongue, labial mucosa, floor of mouth and soft palate. Less commonly, other mucosal sites (anogenital, esophageal, nasal, laryngeal) may be affected.

Codes

ICD10CM:
Q38.6 – Other congenital malformations of mouth

SNOMEDCT:
389203001 – White sponge nevus of mucosa

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

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Best Tests

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Therapy

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References

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Last Updated:01/25/2022
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White sponge nevus of the oral mucosa - Oral Mucosal Lesion
A medical illustration showing key findings of White sponge nevus of the oral mucosa : Buccal mucosa, Oral mucosa, Oral white plaque
Clinical image of White sponge nevus of the oral mucosa - imageId=2499571. Click to open in gallery.  caption: 'A large furrowed, white plaque on the buccal mucosa.'
A large furrowed, white plaque on the buccal mucosa.
Copyright © 2024 VisualDx®. All rights reserved.