Oral focal mucinosis.

Oral focal mucinosis is an uncommon clinicopathologic condition that is considered the oral counterpart of cutaneous focal mucinosis. It is a disease of unknown etiology where the connective tissue undergoes a focal myxoid degeneration. A literature review disclosed 47 published cases of oral focal mucinosis. An additional case is presented; the clinical and histologic differential diagnosis, sex, age, location, treatment, and recurrence are discussed.