The most common location by far is the gingival margin and other areas of the masticatory oral mucosa, these occur more frequently in the fifth decade of life, and have good prognosis, the treatment of choice for oral<unk> s is surgical excision, and recurrence is rare. The condition can affect other organs of body, such as the penis, vulva, and can occur in anal region, nose, the ear, lower extremity, scrotum.
Verruciform xanthoma
Pseudoxanthoma elasticum
Phakomatosis
Metachondromatosis
Keratoacanthoma
Linear and whorled nevoid hypermelanosis
Acanthoma fissuratum
Erythromelanosis follicularis faciei et colli