title: Unusual Tc-99m and I-123 images in metastatic thyroid adenocarcinoma.
abstract: A patient with metastatic thyroid carcinoma showed discordance of I-123 and Tc-99m imaging results. In addition, despite close histologic similarities, the metastatic lesions differed considerably in their ability to trap Tc-99m.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging* / Q000556:secondary; D000328:Adult; D006801:Humans; D007457:Iodine Radioisotopes; D008297:Male; D011877:Radionuclide Imaging; D013667:Technetium; D013964:Thyroid Neoplasms / Q000000981:diagnostic imaging* / Q000556:secondary
chemical_list: D007457:Iodine Radioisotopes; D013667:Technetium