Primary cutaneous CD8-positive T-cell lymphoma: a case report of a rare and aggressive disease with oral presentation. 
A case of a 66-year-old man, who was referred to the Oral Medicine service with persistent oral ulceration and widespread cutaneous rash is presented.  Laboratory investigations confirmed a diagnosis of epitheliotropic, CD8-positive, cytotoxic, T-cell lymphoma.  Oral ulceration represents a heterogeneous group of aetiologies: the patient with this more concerning pathology presented both to his general medical and dental practitioners.