title: An extrathyroid parathyroid adenoma presenting as a "cold" nodule on I 131  thyroid scan.
mesh_terms: D000236:Adenoma / Q000175:diagnosis*; D005260:Female; D006801:Humans; D007457:Iodine Radioisotopes; D008875:Middle Aged; D010282:Parathyroid Neoplasms / Q000175:diagnosis*; D011877:Radionuclide Imaging; D013959:Thyroid Diseases / Q000175:diagnosis
chemical_list: D007457:Iodine Radioisotopes