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Surgery. 2011 Dec;150(6):1048-57. doi: 10.1016/j.surg.2011.09.003.

A multicenter cohort study of total thyroidectomy and routine central lymph node dissection for cN0 papillary thyroid cancer.

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University of Sydney Endocrine Surgical Unit, Sydney, Australia.



The role of routine central lymph node dissection (CLND) for papillary thyroid cancer (PTC) remains controversial. The aim of this study was to evaluate the impact of routine CLND after total thyroidectomy (TTx) in the management of patients with PTC who were clinically node negative at presentation with emphasis on stimulated thyroglobulin (Tg) levels and reoperation rates.


This retrospective, multicenter, cohort study used pooled data from 3 international Endocrine Surgery units in Australia, the United States, and England. All study participants had PTC >1 cm without preoperative evidence of lymph node disease (cN0). Group A patients had TTx alone and group B had TTx with the addition of CLND.


There were 606 patients included in the study. Group A had 347 patients and group B 259 patients. Stimulated Tg values were lower in group B before initial radioiodine ablation (15.0 vs 6.6 ng/mL; P = .025). There was a trend toward a lower Tg at final follow-up in group B (1.9 vs 7.2 ng/mL; P = .11). The rate of reoperation in the central compartment was lower in group B (1.5 vs 6.1%; P = .004). The number of CLND procedures required to prevent 1 central compartment reoperation was calculated at 20.


The addition of routine CLND in cN0 papillary thyroid carcinoma is associated with lower postoperative Tg levels and reduces the need for reoperation in the central compartment.

[Indexed for MEDLINE]

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