Leukoplakia, Oral

**Definition:** A white patch seen on the oral mucosa. It is considered a premalignant condition and is often tobacco-induced. When evidence of Epstein-Barr virus is present, the condition is called hairy leukoplakia (LEUKOPLAKIA, HAIRY).

**Tree numbers:** - C04.588.443.591.545 - C04.834.512.513 - C07.465.530.545 - C23.300.816.513

**Synonyms:** - Keratosis, Oral - Leukokeratosis, Oral