Annals of surgical oncology · 2019
Thyroid Antibody Status is Associated with Central Lymph Node Metastases in Papillary Thyroid Carcinoma Patients with Hashimoto's Thyroiditis.
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Wen Xingzhu, Wang Bin, Jin Qianmei, Zhang Wei, Qiu Ming
Аннотация
OBJECTIVE: The aim of this study was to explore the impact of thyroid antibody status on central lymph node metastases (CLNM) in papillary thyroid carcinoma (PTC) patients with Hashimoto's thyroiditis (HT).
METHODS: A retrospective analysis was performed on 346 PTC patients with HT who underwent thyroidectomy and ipsilateral central lymph node dissection (CLND). Histopathological characteristics of the tumor and serum levels of thyroid hormone, as well as antibodies, were collected and analyzed.
RESULTS: The multivariate logistic regression analysis showed that being male [odds ratio (OR) 3.269, 95% confidence interval (CI) 1.240-8.619], tumor size > 1 cm [1 cm < diameter (D) ≤ 2 cm: OR 6.947, 95% CI 2.886-16.722; 2 cm < D: OR 5.880, 1.937-17.846], and antibody status [thyroid peroxidase antibody (TPOAb) and thyroglobulin antibody (TgAb) double negative: OR 3.791, 95% CI 1.391-10.331; TPOAb and TgAb double positive: OR 4.047, 95% CI 1.509-10.856; TgAb single positive: OR 6.024, 95% CI 2.019-17.970] were independent risk factors for CLNM. Additionally, a risk-score scale, including sex, antibody status, and tumor size, was established to predict CLNM. The sensitivity, specificity, positive predictive value, and negative predictive value were 55.7%, 84.4%, 74.4%, and 70%, respectively, when the cut-off point was chosen as 3.
CONCLUSIONS: Antibody status is a critical independent risk factor for CLNM in PTC patients with HT. For the CLND strategy, a more conservative option could be considered in a low-risk cohort with the following characteristics: female sex, smaller tumor size, and TPOAb single positive.
METHODS: A retrospective analysis was performed on 346 PTC patients with HT who underwent thyroidectomy and ipsilateral central lymph node dissection (CLND). Histopathological characteristics of the tumor and serum levels of thyroid hormone, as well as antibodies, were collected and analyzed.
RESULTS: The multivariate logistic regression analysis showed that being male [odds ratio (OR) 3.269, 95% confidence interval (CI) 1.240-8.619], tumor size > 1 cm [1 cm < diameter (D) ≤ 2 cm: OR 6.947, 95% CI 2.886-16.722; 2 cm < D: OR 5.880, 1.937-17.846], and antibody status [thyroid peroxidase antibody (TPOAb) and thyroglobulin antibody (TgAb) double negative: OR 3.791, 95% CI 1.391-10.331; TPOAb and TgAb double positive: OR 4.047, 95% CI 1.509-10.856; TgAb single positive: OR 6.024, 95% CI 2.019-17.970] were independent risk factors for CLNM. Additionally, a risk-score scale, including sex, antibody status, and tumor size, was established to predict CLNM. The sensitivity, specificity, positive predictive value, and negative predictive value were 55.7%, 84.4%, 74.4%, and 70%, respectively, when the cut-off point was chosen as 3.
CONCLUSIONS: Antibody status is a critical independent risk factor for CLNM in PTC patients with HT. For the CLND strategy, a more conservative option could be considered in a low-risk cohort with the following characteristics: female sex, smaller tumor size, and TPOAb single positive.