Objective To compare the diagnostic value of 131I-SPECT/CT fusion images and 131I-WBI in detecting the metastases of differentiated thyroid carcinoma(DTC) of the regions of the head,neck and mediastinum.

• 目的探讨131I-单光子发射型计算机断层显像-计算机断层摄影(131I-SPECT/CT)同机融合显像与131I-全身显像(131I-WBI)对分化型甲状腺癌(DTC)病人术后头颈部及纵隔部转移灶的诊断价值。