title: Reverse discordant behavior in microfollicular adenoma of thyroid. Case report.
abstract: A patient with reverse discordant behavior between Tc-99m pertechnetate and I-123 in a solitary microfollicular adenoma is presented and possible mechanism is discussed.
mesh_terms: D000236:Adenoma / Q000000981:diagnostic imaging*; D000328:Adult; D005260:Female; D006801:Humans; D007457:Iodine Radioisotopes; D011877:Radionuclide Imaging; D013670:Sodium Pertechnetate Tc 99m; D013964:Thyroid Neoplasms / Q000000981:diagnostic imaging*
chemical_list: D007457:Iodine Radioisotopes; D013670:Sodium Pertechnetate Tc 99m