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European Radiology

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01.10.2014 | Head and Neck

Contrast-enhanced ultrasound (CEUS) facilitated US in detecting lateral neck lymph node metastasis of thyroid cancer patients: diagnosis value and enhancement patterns of malignant lymph nodes

verfasst von: Dapeng Xiang, Yurong Hong, Bo Zhang, Pintong Huang, Guogang Li, Ping Wang, Zhiyu Li

Erschienen in: European Radiology | Ausgabe 10/2014

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Abstract

Objectives

To examine the value of CEUS as a non-invasive tool in detecting lateral neck metastasis (LNM) and the enhancement patterns of malignant lymph nodes (LN) for thyroid cancer patients.

Methods

Eighty-two consecutive patients, who underwent both preoperative non-enhanced US and CEUS examinations, were retrospectively reviewed. All patients underwent lateral neck dissection (LND). Enhancement patterns of 102 collected LNs matching to CEUS findings were analyzed.

Results

CEUS detected LNM in 53 of 65 patients, showing a higher sensitivity and accuracy than that of conventional US (p = 0.109 and p = 0.154, respectively). Thirteen patients’ surgical procedures were altered by CEUS findings, including nine true positive and four false positive cases. Five patients’ surgical procedures were altered by conventional US findings, including two true positive and three false positive cases. Heterogeneous enhancement, perfusion defects, microcalcification, and centripetal/hybrid enhancement were all specific criteria for malignant LNs in univariate analysis. In multivariate analysis, only heterogeneous enhancement and centripetal/hybrid enhancement were significantly related to LN metastasis (p = 0.000 and p = 0.037, respectively).

Conclusions

CEUS may be a potential tool to facilitate conventional US in detecting LNM. Heterogeneous enhancement and centripetal/hybrid enhancement are useful criteria to distinguish between malignant and benign LNs.

Key Points

• CEUS findings facilitated conventional US in detecting LNM.

• Heterogeneous, centripetal/hybrid enhancement, microcalcification and perfusion defects were specific criteria of malignant LNs.

• Heterogeneous and centripetal/hybrid enhancement were significantly related to LN metastasis in multivariate analysis.

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Titel: Contrast-enhanced ultrasound (CEUS) facilitated US in detecting lateral neck lymph node metastasis of thyroid cancer patients: diagnosis value and enhancement patterns of malignant lymph nodes
verfasst von: Dapeng Xiang
Yurong Hong
Bo Zhang
Pintong Huang
Guogang Li
Ping Wang
Zhiyu Li
Publikationsdatum: 01.10.2014
Verlag: Springer Berlin Heidelberg
Erschienen in: European Radiology / Ausgabe 10/2014
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-014-3288-5

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Springer Medizin

Contrast-enhanced ultrasound (CEUS) facilitated US in detecting lateral neck lymph node metastasis of thyroid cancer patients: diagnosis value and enhancement patterns of malignant lymph nodes

Abstract

Objectives

Methods

Results

Conclusions

Key Points

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Springer Medizin

Abstract

Objectives

Methods

Results

Conclusions

Key Points

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