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Surgical management of T1/T2 node-negative papillary thyroid cancer with tall cell histology: Is lobectomy enough?

Authors :
Robbie S.R. Woods
Conall W.R. Fitzgerald
Cristina Valero
Joseph Lopez
Luc G.T. Morris
Marc A. Cohen
Richard J. Wong
Snehal G. Patel
Ronald A. Ghossein
R. Michael Tuttle
Ashok R. Shaha
Jatin P. Shah
Ian Ganly
Source :
Surgery. 173(1)
Publication Year :
2022

Abstract

The tall cell variant of papillary thyroid carcinoma has traditionally been treated more aggressively than classic papillary thyroid carcinoma. However, this may not be justified in patients with T1/T2 tall cell variant node-negative tumors.We evaluated well-differentiated thyroid cancers treated surgically between 1985 and 2015 at our institution. We compared patients undergoing lobectomy for node-negative T1/T2 tall cell variant tumors with the same cohort with classic papillary thyroid carcinoma. Patients who underwent early planned completion thyroidectomy were excluded. Tall cell variant tumors were defined as those with ≥30% tall cells. Survival and recurrence outcomes were determined by the Kaplan-Meier method and groups compared using the log-rank test.Thyroid lobectomy was performed for T1/T2 N0X disease in 70 (15%) tall cell cases and 429 (23%) classic papillary thyroid carcinoma cases. There was no significant difference in 10-year overall survival (P = .56) or locoregional recurrence-free probability (P = .52). Disease-specific survival and local or central nodal recurrence-free probability were 100% in both groups. In 9 papillary thyroid carcinoma cases, subsequent contralateral lobe tumors developed, and in 5, lateral neck metastases developed. No recurrences were seen in the tall cell group.T1 node-negative tumors with tall cell histology can be satisfactorily managed with thyroid lobectomy, with equivalent oncological outcomes to classic papillary thyroid carcinoma.

Details

ISSN :
15327361
Volume :
173
Issue :
1
Database :
OpenAIRE
Journal :
Surgery
Accession number :
edsair.doi.dedup.....576704ad919ee91cf5a7b83f165e529d