Warty dyskeratoma. A note concerning its occurrence on the oral mucosa, and its possible pathogenesis.

A case of warty dyskeratoma occurring in the oral mucosa is presented. Indirect immunofluorescence tests using the patient's serum showed the presence of IgG class antibodies reactive with intercellular material of guinea-pig lip mucosa and IgM class antinuclear antibodies. The patient did not have any clinical histopathological, haematological or serological evidence of other autoimmune disease.