A Combination of Contrast‐Enhanced Ultrasound and Thyroglobulin Level in Fine‐Needle Aspirates Improves Diagnostic Accuracy for Metastatic Lymph Nodes of Papillary Thyroid Carcinoma.
In: Journal of Ultrasound in Medicine, Jg. 41 (2022-10-01), Heft 10, S. 2431-2443
Online
academicJournal
Zugriff:
Objective: To evaluate the diagnostic performance of contrast‐enhanced ultrasound (CEUS) combined with thyroglobulin (Tg) levels in fine‐needle aspirates (FNA) washout fluid (FNA‐Tg) in diagnosing cervical lymph node (LN) metastasis in papillary thyroid cancer (PTC) patients. Methods: Data from 190 LNs in 167 patients suspected of metastasis from the US between November 2018 and September 2020 were included. All subjects underwent FNA, CEUS, and FNA‐Tg examinations. The final outcomes were confirmed by histopathological or cytological examination or follow‐up imaging. Data were analyzed using the Wilcoxon rank‐sum or chi‐squared test. The diagnostic efficacy of FNA, CEUS, and FNA‐Tg in diagnosing LNs was compared. Results: A cutoff value of 6.15 ng/ml (AUC 0.925, 95% confidence interval (CI) 0.885–0.966) successfully identified metastatic LNs. FNA missed 58 LN metastases, of these, 94.8% (55/58) were correctly diagnosed using the combination of CEUS and FNA‐Tg. FNA‐Tg showed higher sensitivity (90.2%), NPV (86.1%) and accuracy (88.9%) than either FNA (48.2, 57.4 and 69.5%, respectively) or CEUS (82.1, 67.7 and 70.5%, respectively) alone. The combination of CEUS, FNA and FNA‐Tg resulted in maximal sensitivity (100%) and NPV (100%) but reduced specificity (51.3%) and overall diagnostic accuracy (80.0%). After adding FNA‐Tg to discordant samples between CEUS and FNA, 81.9% of LNs (77/94) were correctly diagnosed. Conclusions: The combination of FNA, FNA‐Tg and CEUS was found to be a promising imaging tool in detecting metastatic LNs in PTC patients. [ABSTRACT FROM AUTHOR]
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Titel: |
A Combination of Contrast‐Enhanced Ultrasound and Thyroglobulin Level in Fine‐Needle Aspirates Improves Diagnostic Accuracy for Metastatic Lymph Nodes of Papillary Thyroid Carcinoma.
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Autor/in / Beteiligte Person: | Liu, Naxiang ; Tang, Lina ; Chen, Yijie ; Wang, Yaoqin ; Huang, Weiqin ; Du, Zhongshi ; Shen, Youhong ; Wu, Zhougui ; He, Tongmei ; Su, Guangjian ; Xie, Wenting ; Chen, Yunchao |
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Zeitschrift: | Journal of Ultrasound in Medicine, Jg. 41 (2022-10-01), Heft 10, S. 2431-2443 |
Veröffentlichung: | 2022 |
Medientyp: | academicJournal |
ISSN: | 0278-4297 (print) |
DOI: | 10.1002/jum.15926 |
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