title: Discordant imaging of a thyroglossal duct cyst.
mesh_terms: D000368:Aged; D006801:Humans; D007457:Iodine Radioisotopes; D008297:Male; D011877:Radionuclide Imaging; D013670:Sodium Pertechnetate Tc 99m; D013667:Technetium; D013955:Thyroglossal Cyst / Q000000981:diagnostic imaging*; D014463:Ultrasonography
chemical_list: D007457:Iodine Radioisotopes; D013667:Technetium; D013670:Sodium Pertechnetate Tc 99m