title: Localized enlargement of the thyroid gland presenting as a pyriform sinus mass.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D006984:Hypertrophy; D007822:Laryngeal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008297:Male; D008722:Methods; D008875:Middle Aged; D010610:Pharyngeal Neoplasms / Q000175:diagnosis; D013959:Thyroid Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D013964:Thyroid Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging; D014056:Tomography, X-Ray