Clinical Significance of Histogram Parameters on Elastography in Patients With Papillary Thyroid Microcarcinomas

Yoon, Hee Yeun; Lee, Ji Hye; Kim, Young Eun; Kim, Min Jung; Moon, Hee Jung; Yoon, Jung Hyun; Park, Vivian Youngjean; Kwak, Jin Young

doi:10.1097/ruq.0000000000000296

Cited by 3 publications

(2 citation statements)

References 23 publications

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“…The quantitative elasticity index of PTC on preoperative SWE in combination with gray-scale US findings might be useful for predicting CLN metastasis. However, Yoon et al [77] reported that none of the histogram parameters on SE had significant associations with poor prognostic factors, including LN metastasis.…”

Section: Principles Of Us Elastography Techniques In the Thyroidmentioning

confidence: 99%

Ultrasound elastography of the thyroid: principles and current status

Zhao

2019

Ultrasonography

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Ultrasound (US) elastography has been introduced as a non-invasive technique for evaluating thyroid diseases. This paper presents a detailed description of the technical principles, peculiarities, and limitations of US elastography techniques, including strain elastography and shear-wave elastography. This review was conducted from a clinical perspective, and aimed to assess the usefulness of US elastography for thyroid diseases in specific clinical scenarios. Although its main focus is on thyroid nodules, the applications of US elastography for other thyroid diseases, such as diffuse thyroid diseases and thyroiditis, are also presented. Furthermore, unresolved questions and directions for future research are also discussed.

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Section: Principles Of Us Elastography Techniques In the Thyroidmentioning

confidence: 99%

Ultrasound elastography of the thyroid: principles and current status

Zhao

2019

Ultrasonography

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“…We totally recorded the value of 5 RTE images obtained from 5 different cardiac cycle for each patient, and the average of these 5 image parameters was used in analysis. Eleven quantitative parameters were totally obtained for each patient, including average relative strain value in the ROI (MEAN), standard deviation of relative strain value within the ROI (SD), area ratio of low-strain region (%AREA), complexity (COMP), kurtosis (KURT), skewness (SKEW), contrast (CONT), entropy (ENT), inverse difference moment (IDM), the angular second moment (ASM), and correlation (CORR) 19–21 . Depending on the differences in characterizing RTE image, the obtained 11 quantitative parameters for the image were divided into 3 types: parameters to describe color histogram (MEAN, SD, KURT, and SKEW), those for deformation (%AREA and COMP), and those for image texture (include CONT, ENT, IDM, CORR, and ASM).…”

Section: Methodsmentioning

confidence: 99%

Real-Time Tissue Elastography to Evaluate Hepatic Hypoxic-Ischemic Injury Caused by Brain Death

Zhang

Tang

et al. 2021

Ultrasound Quarterly

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This study aimed to explore the potential of real-time tissue elastography (RTE) in evaluating hepatic hypoxic-ischemic injury caused by brain death. We performed RTE and biopsy for 50 donated liver. Hematoxylin-eosin staining was used to observe hepatocyte acidophilic change. Liver grafts were divided into 2 groups, one nonacidophilic change (n = 7) and the other with acidophilic change (n = 43). Correlation and difference analysis were performed for hematoxylin-eosin staining results and RTE parameters. The result indicated that 4 of the 11 RTE parameters, namely, the area of low strain within the region of interest (%AREA), contrast (CONT), inverse difference moment (IDM), and correlation (CORR) were related to hepatocytes acidophilic change ( r = 0.284, P = 0.046; r = 0.349, P = 0.013; r = −0.444, P = 0.001; r = −0.381, P = 0.00). Whereas %AREA and CONT of the nonacidophilic change group were lower than that of the acidophilic change group ( P < 0.05), IDM and CORR in nonacidophilic change group were higher than that of the acidophilic change group ( P < 0.05); the remaining parameters were not statistically different between 2 groups ( P > 0.05). Analysis of receiver operating characteristic curve indicated that the area under the curve of %AREA, CONT, IDM, and CORR were 0.75, 0.79, 0.81, and 0.77, respectively. Based on this, we concluded that the quantitative analysis parameters of RTE could preliminary assess hepatic hypoxic-ischemic injury caused by brain death.

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Texture analysis and machine learning to characterize suspected thyroid nodules and differentiated thyroid cancer: Where do we stand?

Sollini

Cozzi

Chiti

et al. 2018

European Journal of Radiology

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Clinical Significance of Histogram Parameters on Elastography in Patients With Papillary Thyroid Microcarcinomas

Abstract: There were no significant associations between all histogram parameters on elastography and known poor prognostic factors such as extrathyroidal extension, lymph node metastasis, and high TNM stage in patients with PTMCs.

Cited by 3 publications

References 23 publications

Ultrasound elastography of the thyroid: principles and current status

Ultrasound elastography of the thyroid: principles and current status

Real-Time Tissue Elastography to Evaluate Hepatic Hypoxic-Ischemic Injury Caused by Brain Death

Texture analysis and machine learning to characterize suspected thyroid nodules and differentiated thyroid cancer: Where do we stand?

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