title: Pathologic quiz case 1.
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D007822:Laryngeal Neoplasms / Q000473:pathology; D007830:Larynx / Q000473:pathology*; D008297:Male; D008679:Metaplasia; D009092:Mucous Membrane / Q000473:pathology; D012469:Salivary Glands / Q000473:pathology*