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Article Open Access

Improvement of diagnostic efficiency in distinguishing the benign and malignant thyroid nodules via conventional ultrasound combined with ultrasound contrast and elastography

  • Authors:
    • Mei-Juan Liu
    • Yan-Ming Men
    • Yong-Lin Zhang
    • Yu-Xi Zhang
    • Hao Liu
  • View Affiliations / Copyright

    Affiliations: Department of Ultrasound, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong 264001, P.R. China, Department of Ultrasound, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, Shandong 264001, P.R. China, Department of Ultrasound, Yantai Hospital of Traditional Chinese Medicine, Yantai, Shandong 264001, P.R. China
    Copyright: © Liu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 867-871
    |
    Published online on: May 24, 2017
       https://doi.org/10.3892/ol.2017.6245
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Abstract

We aimed to evaluate the diagnostic values of conventional ultrasound (US), ultrasound contrast (UC) and ultrasound elastography (UE) in distinguishing the benign and malignant thyroid nodules. A total of 100 patients with thyroid nodules receiving operative treatment were selected; they underwent the conventional US, UE and UC examinations before operation, respectively. The nodules received pathological examination after operation to distinguish benign from malignant lesions. The sensitivity, specificity and diagnostic accordance rate of each diagnostic method was evaluated by receiver operating characteristic (ROC) curve, and the area under the curve (AUC) of ROC was calculated. The manifestations of malignant thyroid nodules in conventional US examination were mostly the hypoecho, heterogeneous echo, irregular shape, unclear boundary, aspect ratio <1, microcalcification and irregular peripheral echo halo, and there were statistically significant differences compared with the benign nodules (P<0.05). UE showed that the differences between benign and malignant nodules in 2, 3 and 4 points were statistically significant (P<0.05). The manifestations of malignant nodules in UC were mostly the irregular shape, obscure boundary, no obvious enhancement, heterogeneous enhancement and visible perfusion defects, and there were statistically significant differences compared with the benign nodules (P<0.05). ROC curve showed that both sensitivity and specificity of UE and UC were superior to those of conventional US. AUC was the largest (AUC = 0.908) and the diagnostic value was the highest in the conventional US combined with UE and UC. Conventional US combined with elastography and UC can significantly improve the sensitivity, specificity and accuracy of diagnosis of benign and malignant thyroid nodules.
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Copy and paste a formatted citation
Spandidos Publications style
Liu M, Men Y, Zhang Y, Zhang Y and Liu H: Improvement of diagnostic efficiency in distinguishing the benign and malignant thyroid nodules via conventional ultrasound combined with ultrasound contrast and elastography. Oncol Lett 14: 867-871, 2017.
APA
Liu, M., Men, Y., Zhang, Y., Zhang, Y., & Liu, H. (2017). Improvement of diagnostic efficiency in distinguishing the benign and malignant thyroid nodules via conventional ultrasound combined with ultrasound contrast and elastography. Oncology Letters, 14, 867-871. https://doi.org/10.3892/ol.2017.6245
MLA
Liu, M., Men, Y., Zhang, Y., Zhang, Y., Liu, H."Improvement of diagnostic efficiency in distinguishing the benign and malignant thyroid nodules via conventional ultrasound combined with ultrasound contrast and elastography". Oncology Letters 14.1 (2017): 867-871.
Chicago
Liu, M., Men, Y., Zhang, Y., Zhang, Y., Liu, H."Improvement of diagnostic efficiency in distinguishing the benign and malignant thyroid nodules via conventional ultrasound combined with ultrasound contrast and elastography". Oncology Letters 14, no. 1 (2017): 867-871. https://doi.org/10.3892/ol.2017.6245
Copy and paste a formatted citation
x
Spandidos Publications style
Liu M, Men Y, Zhang Y, Zhang Y and Liu H: Improvement of diagnostic efficiency in distinguishing the benign and malignant thyroid nodules via conventional ultrasound combined with ultrasound contrast and elastography. Oncol Lett 14: 867-871, 2017.
APA
Liu, M., Men, Y., Zhang, Y., Zhang, Y., & Liu, H. (2017). Improvement of diagnostic efficiency in distinguishing the benign and malignant thyroid nodules via conventional ultrasound combined with ultrasound contrast and elastography. Oncology Letters, 14, 867-871. https://doi.org/10.3892/ol.2017.6245
MLA
Liu, M., Men, Y., Zhang, Y., Zhang, Y., Liu, H."Improvement of diagnostic efficiency in distinguishing the benign and malignant thyroid nodules via conventional ultrasound combined with ultrasound contrast and elastography". Oncology Letters 14.1 (2017): 867-871.
Chicago
Liu, M., Men, Y., Zhang, Y., Zhang, Y., Liu, H."Improvement of diagnostic efficiency in distinguishing the benign and malignant thyroid nodules via conventional ultrasound combined with ultrasound contrast and elastography". Oncology Letters 14, no. 1 (2017): 867-871. https://doi.org/10.3892/ol.2017.6245
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