title: Failure of 197HgCl2 scintigraphy to distinguish between benign and malignant "cold" thyroid nodules.
mesh_terms: D000236:Adenoma / Q000175:diagnosis*; D000368:Aged; D002277:Carcinoma / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006042:Goiter / Q000175:diagnosis*; D006801:Humans; D008629:Mercury Isotopes; D011877:Radionuclide Imaging; D013964:Thyroid Neoplasms / Q000175:diagnosis*
chemical_list: D008629:Mercury Isotopes