title: Differential diagnosis of an oral ulceration.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D007972:Leukoplakia, Oral / Q000473:pathology; D008297:Male; D008875:Middle Aged; D013281:Stomatitis, Aphthous / Q000473:pathology; D014060:Tongue Diseases / Q000473:pathology*; D014376:Tuberculosis / Q000473:pathology*; D014393:Tuberculosis, Oral / Q000473:pathology*