Follicular and Hurthle cell carcinoma: Predicting outcome and directing therapy

L. E. Sanders, M. Silverman, C. R. McHenry, J. M. Monchik, W. B. Inabnet, R. Rossi, I. B. Rosen

Research output: Contribution to journalArticlepeer-review

93 Scopus citations

Abstract

Background. Follicular thyroid cancer is a heterogeneous disease including follicular and Hurthle cell and tumors with and without vascular and major capsular invasion. Analyses of prognosis and risk groups have been criticized for not taking these differences into account. Methods. Retrospective analysis was done of 240 patients treated from 1940 to 1997. Results. Ninety-two patients without vascular or major capsular invasion followed up for a median of 14 years had no recurrences or deaths. In the remaining 148 patients, 32 had Hurthle cell and 116 had follicular cell carcinoma. Patients with Hurthle cell carcinoma were significantly older (55 vs 47 years; P = .0014). Lymphatic metastases did not influence outcome. Patients who were at high risk by age and sex, metastases, extent, and size had a 20-year survival rate of 36% for follicular and 35% for Hurthle cell carcinoma; patients at low risk had 20-year survival rates of 94% and 89%, respectively, with no significant difference between follicular and Hurthle cell carcinoma. Recurrences were treated successfully in 33% of patients with follicular carcinoma but never cured in patients with Hurthle cell carcinoma. Bilateral versus unilateral operation or radioiodine for ablation did not alter outcome. Conclusions. Follicular and Hurthle cell carcinoma with minimal capsular invasion behaved benignly. Age and sex, metastases, extent, and size risk criteria differentiate strongly between patients with high- risk and low-risk follicular and Hurthle cell carcinoma. Controlling for risk factors, Hurthle cell and follicular cell carcinomas have similar prognoses.

Original languageEnglish
Pages (from-to)967-974
Number of pages8
JournalSurgery
Volume124
Issue number6
DOIs
StatePublished - 1998

ASJC Scopus subject areas

  • Surgery

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