| Autor: |
Rabal Fueyo, Antonio, Vilanova Serra, Magdalena, Lerma Puertas, Enrique, Montserrat Esplugas, Enrique, Pérez García, José Ignacio, Mato Matute, Eugenia, De Leiva Hidalgo, Alberto, Moral Duarte, Antonio |
| Zdroj: |
Endocrinology, Diabetes & Metabolism; July 2018, Vol. 1 Issue: 3 |
| Abstrakt: |
Ultrasonography and cytology obtained by fine‐needle aspiration are part of the basic study of the thyroid nodule. Although they are not diagnostic in every case, they are cost‐effective methods that inform surgical treatment and its extent. The purpose of this study was to evaluate the accuracy of ultrasonography associated with fine‐needle aspiration to predict malignancy in nodular thyroid pathology. We collected prospective data from patients undergoing thyroidectomy by single nodule or multinodular goitre between 2006 and 2016. A total of 417 patients were included. Ultrasounds were classified as suspected of malignancy if they had 2 or more of the following characteristics: hypoechogenicity, microcalcifications, intranodular central hypervascularization, irregular margins and poorly defined edges. Ultrasound and fine‐needle aspiration accuracy. In the postoperative study, 40% presented malignant pathology. 33% of patients with nonsuspicious ultrasound and 73% of those with suspicious ultrasound had malignant disease. Among patients with single nodule and suspicious ultrasound, the malignancy rate reached 80%. As for cytology, 100% of Bethesda VIpatients, 88% of V, 63% of IV, 31% of IIIand 12% of IIwere found to have carcinoma. The combination of the 2 tests showed a high predictive value, particularly in cases of Bethesda IVcytology. Thyroid cytology provides high predictive value of the presence of carcinoma. The predictive value of ultrasound is also high, mainly in the study of isolated nodules. The combination of the 2 tests results in increased diagnostic accuracy. The purpose of this study was to evaluate the accuracy of ultrasonography associated with fine‐needle aspiration to predict malignancy in nodular thyroid pathology. We collected prospective data from 417 patients undergoing thyroidectomy. We concluded that thyroid cytology provides high predictive value of the presence of carcinoma. The predictive value of ultrasound is also high, mainly in the study of isolated nodules. The combination of the two tests results in increased diagnostic accuracy. |
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