ALB and differentiated thyroid carcinoma: Tc: technetium; SPECT: single-photon emission computed tomography; I-131: iodine-131; I-123: iodine-123; HMPAO: hexamethylpropyleneamine oxime; MDP: methylene diphosphonate; MAA: macroaggregated albumin; DTPA: diethylenetriamine pentaacetic acid; DTC: differentiated thyroid cancer