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. 2024 Jun 15;24(1):188.
doi: 10.1186/s12893-024-02471-7.

Evolution in the management of thyroid surgery over a period of 15 years in a Belgian center

Clotilde Saïe  1   2 , Victor Marchand  3 , Jules Zhang-Yin  4 , Vincent Ers  5 , Etienne Mauel  3
Affiliations

Evolution in the management of thyroid surgery over a period of 15 years in a Belgian center

Clotilde Saïe et al. BMC Surg. .

Abstract

Background: Guidelines for thyroid surgery have evolved to reflect advances in medical knowledge and decrease the overdiagnosis of low-risk thyroid cancer. Our goal was to analyze the change made in operative thyroid management and the impact on thyroid cancer diagnosis.

Background: Guidelines for thyroid surgery have evolved to reflect advances in medical knowledge and decrease overdiagnosis of low risk thyroid cancer. Our goal was to study the evolution, over a long period, of pre- and postoperative management and the influence on histological cancer diagnosis and, more particularly, microcancer.

Methods: In this retrospective cohort study, we included 891 consecutive patients who underwent thyroid surgery between 2007 and 2020.

Results: Respectively 305, 290 and 266 patients underwent surgery over the 3 periods of 2007-2010, 2011-2015 and 2016-2020. In all three periods, women represented approximately 70% of the population, and the mean age was 54 years old (range: 67). Most surgeries (90%) involved total thyroidectomies. Over the study period, the proportion of preoperative fine needle aspiration (FNA) increased from 13 to 55%, p < 0,01. Cancer was found in a total of 116 patients: 35 (11%) patients between 2007 and 2010, 50 (17%) between 2011 and 2015 and 32 (12%) between 2016 and 2020 (p = 0.08). For all 3 periods, papillary thyroid cancer (PTC) was the most prevalent, at approximately 80%. The proportion of thyroid cancer > T1a increased significantly from 37% (2011-2015 period) to 81% (2016-2020 period), p = 0.001. Patients treated with radioiodine remained relatively stable (approximately 60%) but were more frequently treated with a low dose of radioiodine (p < 0.01) and recombinant human TSH (p < 0.01). Operative thyroid weight decreased over time in all but the low-risk T1a PTC cases.

Conclusions: Over a period of 15 years and according to the evolution of recommendations, the care of patients who underwent thyroid surgery changed with the increased use of preoperative FNA. This change came with a decrease in low-risk T1a PTC.

Keywords: Fine-needle aspiration; Thyroid cancer; Thyroid recommendation; Thyroid surgery; Thyroid weight.

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Conflict of interest statement

The authors declare no competing interests.

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