Unilateral total lobectomy: Is it sufficient surgical treatment for patients with AMES low-risk papillary thyroid carcinoma?

I. D. Hay, C. S. Grant, E. J. Bergstralh, G. B. Thompson, J. A. Van Heerden, J. R. Goellner, B. Cady, A. R. Shaha, O. H. Clark, R. Rossi, N. Dudley

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264 Scopus citations

Abstract

Background. Controversy continues regarding the optimal extent of primary thyroid resection in most patients with papillary thyroid carcinoma (PTC), who are at minimal risk of cause-specific mortality (CSM). This study was designed to compare CSM and recurrence rates after either unilateral lobectomy (UL) or bilateral lobar resection (BLR) in patients with PTC considered low risk by AMES criteria. Methods. Outcome was studied in 1685 patients initially treated during 1940 through 1991 and followed for up to 54 postoperative years (mean, 18 years). One thousand six hundred fifty-six patients (98%) had complete primary tumor resection; 634 (38%) had involvement of regional nodes. One hundred ninety-five patients (12%) had UL; BLR accounted for 1468 (near-total 60%; total thyroidectomy 18%). Results. Thirty-year rates for CSM and distant metastasis were 2% and 3%, respectively. Twenty-year rates for local recurrence and nodal metastasis were 4% and 8%, respectively. There were no significant differences in CSM or distant metastasis rates between UL and BLR (P > .2). After UL, 20-year rates for local recurrence and nodal metastasis were 14% and 19%, significantly higher (P = .0001) than the 2% and 6% rates seen after BLR. Conclusions. UL was not associated with higher CSM rates, but it was associated with a significantly higher risk of locoregional recurrence. Thus BLR probably represents a preferable initial surgical approach to patients with low-risk PTC.

Original languageEnglish (US)
Pages (from-to)958-966
Number of pages9
JournalSurgery
Volume124
Issue number6
DOIs
StatePublished - Jan 1 1998

ASJC Scopus subject areas

  • Surgery

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    Hay, I. D., Grant, C. S., Bergstralh, E. J., Thompson, G. B., Van Heerden, J. A., Goellner, J. R., Cady, B., Shaha, A. R., Clark, O. H., Rossi, R., & Dudley, N. (1998). Unilateral total lobectomy: Is it sufficient surgical treatment for patients with AMES low-risk papillary thyroid carcinoma? Surgery, 124(6), 958-966. https://doi.org/10.1016/S0039-6060(98)70035-2