摘要
Objective To discuss the selection of the initial surgery extent for differentiated thyroid cancer （DTC） without metastasis. Methods The clinical data of 504 cases with DTC, who accepted the surgical treatment from Jan 1995 to Dec 2004, were analyzed and studied. There were 329 cases without metastasis. The operative extents less than total thyroidectomy were performed on 93 cases （92.1%） with stageT1, 166 cases （88.3%） with stageT2,
