title: Preoperative localization of an insulinoma by external scanning with 131I-toluidine blue.
mesh_terms: D007516:Adenoma, Islet Cell / Q000175:diagnosis* / Q000000981:diagnostic imaging; D000792:Angiography; D006801:Humans; D007457:Iodine Radioisotopes; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging; D014048:Tolonium Chloride
chemical_list: D007457:Iodine Radioisotopes; D014048:Tolonium Chloride