Application of Various Additional Imaging Techniques for Thyroid Ultrasound: Direct Comparison of Combined Various Elastography and Doppler Parameters to Gray-Scale Ultrasound in Differential Diagnosis of Thyroid Nodules

Jung Hyun Yoon, Eun Kyung Kim, Jin Young Kwak, Vivian Youngjean Park, Hee Jung Moon

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5 Citations (Scopus)

Abstract

This study was conducted to evaluate the role in the differential diagnosis of thyroid nodules of various elastographic and Doppler parameters when added to gray-scale ultrasonography (US). One-hundred seventy-one thyroid nodules (63 malignant, 108 benign) in 169 patients were included. Elastography (strain and shear wave elastography) and Doppler (power Doppler, superb microvascular imaging and microflow imaging) images of the same thyroid nodule were obtained using a single US machine. The diagnostic performance parameters of gray-scale US with and without elastography and those of Doppler US were calculated and compared. The specificity, positive predictive value and accuracy of gray-scale US were significantly higher than those of US combined with elastographic parameters (all p values < 0.05). The area under the receiver operating characteristic curve for gray-scale US was 0.877, significantly higher than that for US combined with elastography patterns, shear wave elastography ratio (all p values < 0.05) and Doppler parameters. Adding additional imaging modalities such as elastography and Doppler does not improve the diagnostic performance of gray-scale US in differentiating thyroid nodules.

Original languageEnglish
Pages (from-to)1679-1686
Number of pages8
JournalUltrasound in Medicine and Biology
Volume44
Issue number8
DOIs
Publication statusPublished - 2018 Aug

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Elasticity Imaging Techniques
Thyroid Nodule
nodules
gray scale
imaging techniques
Ultrasonography
Thyroid Gland
Differential Diagnosis
S waves
Doppler Ultrasonography
receivers
ROC Curve
curves

All Science Journal Classification (ASJC) codes

  • Radiological and Ultrasound Technology
  • Biophysics
  • Acoustics and Ultrasonics

Cite this

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title = "Application of Various Additional Imaging Techniques for Thyroid Ultrasound: Direct Comparison of Combined Various Elastography and Doppler Parameters to Gray-Scale Ultrasound in Differential Diagnosis of Thyroid Nodules",
abstract = "This study was conducted to evaluate the role in the differential diagnosis of thyroid nodules of various elastographic and Doppler parameters when added to gray-scale ultrasonography (US). One-hundred seventy-one thyroid nodules (63 malignant, 108 benign) in 169 patients were included. Elastography (strain and shear wave elastography) and Doppler (power Doppler, superb microvascular imaging and microflow imaging) images of the same thyroid nodule were obtained using a single US machine. The diagnostic performance parameters of gray-scale US with and without elastography and those of Doppler US were calculated and compared. The specificity, positive predictive value and accuracy of gray-scale US were significantly higher than those of US combined with elastographic parameters (all p values < 0.05). The area under the receiver operating characteristic curve for gray-scale US was 0.877, significantly higher than that for US combined with elastography patterns, shear wave elastography ratio (all p values < 0.05) and Doppler parameters. Adding additional imaging modalities such as elastography and Doppler does not improve the diagnostic performance of gray-scale US in differentiating thyroid nodules.",
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AU - Park, Vivian Youngjean

AU - Moon, Hee Jung

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N2 - This study was conducted to evaluate the role in the differential diagnosis of thyroid nodules of various elastographic and Doppler parameters when added to gray-scale ultrasonography (US). One-hundred seventy-one thyroid nodules (63 malignant, 108 benign) in 169 patients were included. Elastography (strain and shear wave elastography) and Doppler (power Doppler, superb microvascular imaging and microflow imaging) images of the same thyroid nodule were obtained using a single US machine. The diagnostic performance parameters of gray-scale US with and without elastography and those of Doppler US were calculated and compared. The specificity, positive predictive value and accuracy of gray-scale US were significantly higher than those of US combined with elastographic parameters (all p values < 0.05). The area under the receiver operating characteristic curve for gray-scale US was 0.877, significantly higher than that for US combined with elastography patterns, shear wave elastography ratio (all p values < 0.05) and Doppler parameters. Adding additional imaging modalities such as elastography and Doppler does not improve the diagnostic performance of gray-scale US in differentiating thyroid nodules.

AB - This study was conducted to evaluate the role in the differential diagnosis of thyroid nodules of various elastographic and Doppler parameters when added to gray-scale ultrasonography (US). One-hundred seventy-one thyroid nodules (63 malignant, 108 benign) in 169 patients were included. Elastography (strain and shear wave elastography) and Doppler (power Doppler, superb microvascular imaging and microflow imaging) images of the same thyroid nodule were obtained using a single US machine. The diagnostic performance parameters of gray-scale US with and without elastography and those of Doppler US were calculated and compared. The specificity, positive predictive value and accuracy of gray-scale US were significantly higher than those of US combined with elastographic parameters (all p values < 0.05). The area under the receiver operating characteristic curve for gray-scale US was 0.877, significantly higher than that for US combined with elastography patterns, shear wave elastography ratio (all p values < 0.05) and Doppler parameters. Adding additional imaging modalities such as elastography and Doppler does not improve the diagnostic performance of gray-scale US in differentiating thyroid nodules.

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