title: Pertechnetate demonstration of a Barrett's esophagus involving the length of the esophagus.
mesh_terms: D004940:Esophageal Stenosis / Q000000981:diagnostic imaging; D004942:Esophagitis, Peptic / Q000000981:diagnostic imaging; D004947:Esophagus / Q000000981:diagnostic imaging* / Q000473:pathology; D006551:Hernia, Hiatal / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D009092:Mucous Membrane / Q000473:pathology; D011877:Radionuclide Imaging; D013577:Syndrome; D013667:Technetium
chemical_list: D013667:Technetium