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Published on: February 9, 2024
Multiparameter scoring system for the prognosis of differentiated thyroid cancer
M Welsch1, M Abeln, K Zaplatnikov
1Department of Nuclear Medicine, University of Frankfurt/Main, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany. Michaela.Welsch@kgu.de
Unlabelled:
The AIM of the study was to develop a scoring system consisting of multiple parameters that are significant for prognosis of thyroid cancer. The score was designed to permit a risk stratification with all available information at any time of presentation.
Patients, Methods:
A score using 25 parameters was used for 171 patients with differentiated thyroid cancer, who were included in follow up over a mean of 9 (+/- 5) years. The significance of each parameter as well as of a summation outcome score was determined. The result of this scoring system was compared to other scores reported in the literature applied to the same patients' group. Thirty-two out of the 171 patients presented with recurrence during follow up.
Results:
The summation score was highly significant for prognosis of differentiated thyroid cancer. Out of 25 parameters, 18 showed a significant association with outcome also as individual parameters. In comparison to the scores commonly used, this new system showed the highest significance (p < 0.0001, chi square 90, df 1) to estimate recurrence free survival. At a cutoff of -5.95 the sensitivity and specificity for the distinction between high and low risk patients were 87.5 and 77.0%, respectively.
Conclusion:
With our multiparameter scoring system a reliable prognosis with respect to recurrence free survival is possible in patients suffering from differentiated thyroid cancer. A summation score of all parameters gives the best results. Scoring is also possible, if several important parameters are missing.
