- Clinical Study
- Association of the Preoperative Neutrophil-to-ymphocyte Count Ratio and Platelet-to-Lymphocyte Count Ratio with Clinicopathological Characteristics in Patients with Papillary Thyroid Cancer
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Sang Mi Kim, Eun Heui Kim, Bo Hyun Kim, Jong Ho Kim, Su Bin Park, Yoon Jeong Nam, Kang Hee Ahn, Min Young Oh, Won Jin Kim, Yun Kyung Jeon, Sang Soo Kim, Yong Ki Kim, In Ju Kim
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Endocrinol Metab. 2015;30(4):494-501. Published online December 31, 2015
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DOI: https://doi.org/10.3803/EnM.2015.30.4.494
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Abstract
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- Background
Several inflammatory biomarkers, especially a high preoperative neutrophil-to-lymphocyte count ratio (NLR) and platelet-to-lymphocyte count ratio (PLR), are known to be indicator of poor prognosis in several cancers. However, very few studies have evaluated the significance of the NLR and PLR in papillary thyroid cancer (PTC). We evaluated the association of the preoperative NLR and PLR with clinicopathological characteristics in patients with PTC. MethodsThis study included 1,066 female patients who underwent total thyroidectomy for PTC. Patients were stratified into 4 quartiles by preoperative NLR and PLR. And the combination of preoperative NLR and PLR was calculated on the basis of data obtained value of tertile as follows: patients with both an elevated PLR and an elevated NLR were allocated a score of 2, and patients showing one or neither were allocated a score of 1 or 0, respectively. ResultsThe preoperative NLR and PLR were significantly lower in patients aged ≥45 years and in patients with Hashimoto's thyroiditis. The PLR was significantly higher in patients with tumor size >1 cm (P=0.021).When the patients were categorized into the aforementioned four groups, the group with the higher preoperative PLR was found to have a significantly increased incidence of lateral lymph node metastasis (LNM) (P=0.018). However, there are no significant association between the combination of preoperative NLR and PLR and prognostic factors in PTC patients. ConclusionThese results suggest that a preoperative high PLR were significant associated with lateral LNM in female patients with PTC.
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- Thyroid Dysfunction Induced by Metastatic Thyroid Cancer: Report of Two Cases.
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Kang Hee Ahn, Bo Kyung Choi, Won Jin Kim, Bo Gwang Choi, Yun Kyung Jeon, Sang Soo Kim, Soo Hyung Lee, Bo Hyun Kim, Yong Ki Kim, In Ju Kim
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Endocrinol Metab. 2010;25(4):370-373. Published online December 1, 2010
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DOI: https://doi.org/10.3803/EnM.2010.25.4.370
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Abstract
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- Metastases to the thyroid gland are not frequently observed in clinical practice, although an overall incidence of secondary thyroid malignant tumors has been reported to range from 1.25% to 24% in autopsy series. Generally, patients with metastatic thyroid cancer present with euthyroidism and they do not develop thyroid dysfunction. Thyroid dysfunctions, including hypothyroidism and hyperthyroidism, rarely occur in patients with metastatic thyroid cancer. We describe here a case of hypothyroidism induced by thyroid metastasis from cancer of an unknown primary site in a 53-year-old man and another case of thyrotoxicosis induced by thyroid metastasis from lung cancer in a 65-year-old man.
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