WHITE SPONGE NEVUS

By Gary M. White, MD

White Sponge Nevus Note the Fordyce spots on the upper lip as well.


The white sponge nevus (WSN) is akin to an epidermal nevus, but located on the mucosa.

Clinical

A white, spongy, hyperkeratotic plaque is seen on the mucosa, usually the oral mucosa, but the vulvar or perianal mucosa may be affected as well. Onset is in childhood. Some familial cases have shown AD inheritance [J Eur Acad Derm Vener 1995;4;283]. Women are more commonly affected than men by a ratio of 3:1.

Treatment

No reliable therapy exists. Reassurance is all that is usually done.

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