Int J Med Sci 2018; 15(14):1757-1763. doi:10.7150/ijms.28498 This issue Cite

Research Paper

An Increased Neutrophil-to-Lymphocyte Ratio Predicts Incomplete Response to Therapy in Differentiated Thyroid Cancer

Fang Lee1, Po-Sheng Yang1, Ming-Nan Chien2, Jie-Jen Lee1, Ching-Hsiang Leung2, Shih-Ping Cheng1,3✉

1. Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan
2. Division of Endocrinology and Metabolism, Department of Internal Medicine, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan
3. Department of Pharmacology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan

Citation:
Lee F, Yang PS, Chien MN, Lee JJ, Leung CH, Cheng SP. An Increased Neutrophil-to-Lymphocyte Ratio Predicts Incomplete Response to Therapy in Differentiated Thyroid Cancer. Int J Med Sci 2018; 15(14):1757-1763. doi:10.7150/ijms.28498. https://www.medsci.org/v15p1757.htm
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Abstract

Background: Previously we have shown that an elevated baseline neutrophil-to-lymphocyte ratio (NLR) was associated with a high risk of recurrence in patients with differentiated thyroid cancer. The clinical significance of the longitudinal changes in NLR following treatment remained unestablished.

Methods: Adults patients with differentiated thyroid cancer were included in the study if the follow-up NLR data at 6 to 18 months after initial treatment were available. The response to treatment was categorized as excellent, indeterminate, biochemical incomplete, and structural incomplete as per guidelines of the American Thyroid Association.

Results: Among 151 patients with thyroid cancer, a significant decrease in NLR following treatment was observed in those with stage I disease, those with low risk of recurrence, and those with an excellent response to therapy. Patients with a structural incomplete response had a significant increase in NLR at follow-up (p = 0.012). On multivariate analysis, incomplete response to therapy was associated with male sex (odds ratio [OR] = 3.35), tumor size (OR = 1.63), lymph node metastasis (OR = 4.80), distant metastasis (OR = 12.95), and increased NLR (OR = 13.68).

Conclusions: An increase in systemic inflammation following treatment as measured by NLR is independently associated with an incomplete response to therapy in differentiated thyroid cancer.

Keywords: Neutrophil-to-lymphocyte ratio, Dynamic risk stratification, Differentiated thyroid cancer, Inflammation


Citation styles

APA
Lee, F., Yang, P.S., Chien, M.N., Lee, J.J., Leung, C.H., Cheng, S.P. (2018). An Increased Neutrophil-to-Lymphocyte Ratio Predicts Incomplete Response to Therapy in Differentiated Thyroid Cancer. International Journal of Medical Sciences, 15(14), 1757-1763. https://doi.org/10.7150/ijms.28498.

ACS
Lee, F.; Yang, P.S.; Chien, M.N.; Lee, J.J.; Leung, C.H.; Cheng, S.P. An Increased Neutrophil-to-Lymphocyte Ratio Predicts Incomplete Response to Therapy in Differentiated Thyroid Cancer. Int. J. Med. Sci. 2018, 15 (14), 1757-1763. DOI: 10.7150/ijms.28498.

NLM
Lee F, Yang PS, Chien MN, Lee JJ, Leung CH, Cheng SP. An Increased Neutrophil-to-Lymphocyte Ratio Predicts Incomplete Response to Therapy in Differentiated Thyroid Cancer. Int J Med Sci 2018; 15(14):1757-1763. doi:10.7150/ijms.28498. https://www.medsci.org/v15p1757.htm

CSE
Lee F, Yang PS, Chien MN, Lee JJ, Leung CH, Cheng SP. 2018. An Increased Neutrophil-to-Lymphocyte Ratio Predicts Incomplete Response to Therapy in Differentiated Thyroid Cancer. Int J Med Sci. 15(14):1757-1763.

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