Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Σάββατο 4 Νοεμβρίου 2017

A predictive model to distinguish malignant and benign thyroid nodules based on age, gender and ultrasonographic features

Publication date: Available online 4 November 2017
Source:Brazilian Journal of Otorhinolaryngology
Author(s): Fábio Muradás Girardi, Laura Mezzomo da Silva, Cecilia Dias Flores
IntroductionA discussion in literature about a standardized decision support tool for the management of thyroid nodules remains.ObjectiveThe purpose of this study was to create a statistical prediction model for thyroid nodules management.MethodsTwo hundred and four benign and 57 malignant thyroid nodules were selected for a retrospective study. The variables age, gender and ultrasonographic features were examined using univariate and multivariate models. A statistical formula was used to calculate the risk of cancer of each case.ResultsIn multivariate analysis, irregular shape, absence of halo, lower mean age, homogeneous echotexture, microcalcifications and solid content were associated with cancer. After applying the formula, 20 cases (7.6%) with a calculated risk for malignancy ≤3.0% were found, all of them benign. Setting the calculated risk in ≥80%, 21 (8.0%) cases were selected, and in 85.7% of them cancer was confirmed in histopathology. Internal accuracy of the prediction formula was 92.5%.ConclusionsThe prediction formula reached high accuracy and may be an alternative to other decision support tools for thyroid nodule management.



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