The TNM system (version 7) is the most accurate staging system for the prediction of loss of life expectancy in differentiated thyroid cancer

Clinical Endocrinology
Karina TanaseFrederik A Verburg

Abstract

Many prognostic systems have been developed for differentiated thyroid cancer. It is unclear which one of these performs 'best'. Our aim was to compare staging systems applicable to our patient database to identify which best predicts DTC-related loss of life expectancy and DTC-specific mortality. Database study of patients with DTC treated in our centre between 1978 (earliest available data) up to and including 1 July 2014. All were staged in accordance with the AMES, Clinical Class, Memorial Sloan Kettering, Ohio State University, TNM versions 5 and 6/7, University of Alabama, University of Münster and qTNM systems. A total of 2257 patients with differentiated thyroid cancer. Loss of life expectancy expressed as relative survival and thyroid cancer-specific mortality. Comparison was based on P values of univariate Cox regression analyses as well as analysis of the proportion of variance explained (PVE). Median available follow-up time was 7·2 years (range: 0-35·1 years). Three hundred and twenty-seven patients died, 149 of whom died of DTC. Version 7 of the TNM system was best for predicting DTC-related mortality (P = 7·1 × 10-52 ; PVE = 0·296), followed by TNM version 5 (P = 6·7 × 10-44 ; PVE = 0·255). For prediction of loss...Continue Reading

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Citations

Oct 24, 2015·European Journal of Nuclear Medicine and Molecular Imaging·Alexis VrachimisFrederik A Verburg
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Apr 20, 2018·The Journal of Clinical Endocrinology and Metabolism·Bryan TranArdalan Ebrahimi
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May 23, 2019·The Journal of Clinical Endocrinology and Metabolism·Zeming LiuMingzhao Xing
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Dec 1, 2020·Clinical Oncology : a Journal of the Royal College of Radiologists·F Eilsberger, F A Verburg
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