White Sponge Nevus
Definition:

White Sponge Nevus otherwise known as the Cannon's Disease or Hereditary leukokeratosis of mucosa which follow a hereditary pattern as an autosomal dominant trait. It usually occur during childhood or adulthood of the person.


Diagnosis:

Diagnosis includes the physical examination as well as examination of the patient's family history inasmuch as the medical condition is oftentimes an inherited disease.


Treatment:

Treatment includes topical applications of tetracycline to treat symptoms. In rare cases, a plaque which usually extends onto the lip vermilion usually may be removed by surgery for aesthetic reasons.


Symptoms and Signs:

It usually manifest itself in the mouth which is usually thick bilateral white plaque with spongy texture which is usually a buccal mucosa. It also manifest on the labial mucosa, alveolar ridge or floor of the mouth which is benign.


Causes:

White Sponge Nevus is caused by a mutation of the keratin 4 and keratin 13 genes (Kahn, Michael A. Basic Oral and Maxillofacial Pathology. Volume 1. 2001).