Evaluation of reproducibility of shear wave elastography in breast lesions of different depths

ZHANG Zhijun; WANG Hui; HE Shu; ZHONG Yu; ZOU Hairong; XIE Min

doi:10.19732/j.cnki.2096-6210.2022.03.008

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Evaluation of reproducibility of shear wave elastography in breast lesions of different depths

更新时间：2025-12-15

- Evaluation of reproducibility of shear wave elastography in breast lesions of different depths
- Vol. 31, Issue 3, Pages: 264-268(2022)
- 作者机构：
  
  1. 重庆医科大学附属大学城医院超声科,重庆,401331
  2. 中国科学院大学重庆仁济医院医务科,重庆,400062
- 作者简介：
- 基金信息：
- DOI：10.19732/j.cnki.2096-6210.2022.03.008
  CLC：
- Published Online：28 June 2022，
  
  Published：28 June 2022
- 稿件说明：
移动端阅览
张志君,王惠,何姝,等. 剪切波弹性成像在乳腺不同深度病变中的可重复性评价[J]. 肿瘤影像学, 2022, 31(3): 264-268 https://doi.

org/10.19732/j.cnki.2096-6210.2022.03.008
张志君,王惠,何姝,等. 剪切波弹性成像在乳腺不同深度病变中的可重复性评价[J]. 肿瘤影像学, 2022, 31(3): 264-268 https://doi. DOI： 10.19732/j.cnki.2096-6210.2022.03.008.

org/10.19732/j.cnki.2096-6210.2022.03.008 DOI：

摘要

目的：

评价剪切波弹性成像（shear wave elasticity，SWE）在乳腺不同深度病变中的可重复性。

方法：

由2名经过SWE培训的高年资超声科医师，分别对不同深度的76个乳腺病灶进行SWE并测量杨氏模量最大值（elastic maximum，

max

），使用组内相关系数（interclass correlation coefficient，ICC），比较其检查者内与检查者间可重复性，并进行Bland-Altman绘图分析，以再次评价重复性。

结果：

76个乳腺病灶中，同一检查者前后测值、不同检查者对同一病灶测值的

max

差异均无统计学意义（

＞0.05）。位于距体表1~3 cm的病灶中，SWE测值的检查者内和检查者间重复性均非常好，ICC分别为0.945（95% CI 0.892~0.972，

=0.592）和0.946（95% CI 0.895~0.973，

=0.444）。位于距体表0~1 cm的病灶中，SWE测值的检查者内和检查者间重复性好，ICC分别为0.746（95% CI 0.502~0.870，

=0.062）和0.707（95% CI 0.426~0.851，

=0.478）。Bland-Altman散点图中，位于距体表1~3 cm的病灶，检查者内与检查者间测量值差值的95% CI分别为-2.986~1.729和-3.279~1.468。位于距体表0~1 cm的病灶，检查者内与检查者间测量值差值的95% CI分别为-0.268~10.352和-7.857~3.756。位于距体表1~3 cm的病灶检查者内与检查者测量值差值的间95% CI宽度均窄于位于0~1 cm者。

结论：

SWE在测量乳腺病变中的重复性整体良好，其中对位于距体表1~3 cm的病灶优于位于距体表0~1 cm的病灶。

Abstract

Objective:

To evaluate the reproducibility of shear wave elasticity (SWE) imaging in breast lesions at different depths.

Methods:

Two senior

sonographers trained by SWE were used to measure the elastic maximum (E max ) of 76 breast lesions at different depths

respectively. Interclass correlation coefficient (ICC) was used to compare the intra-examiners and inter-examiners reproducibility

and Bland-Altman plot analysis was performed to evaluate the reproducibility again.

Results:

Among 76 breast lesions

there was no statistical significance in the E max of the same lesion measured by the same patient before and after examination or the same lesion measured by different examination (

＞0.05). The intra-examiners and inter-examiners reproducibility of SWE measurements was very good in lesions 1-3 cm from the surface of the body

with ICC values of 0.945 (95% CI 0.892-0.972

=0.592) and 0.946 (95% CI 0.895-0.973

=0.444)

respectively. The intra-examiners and inter-examiners reproducibility of SWE measurements was good in lesions 0-1 cm from the surface of the body

with ICC values of 0.746 (95% CI 0.502-0.870

=0.062) and 0.707 (95% CI 0.426-0.851

=0.478)

respectively. The Bland-Altman scatter plot

for lesions located 1-3 cm from the body surface

the measurement value difference of the intra-examiners and inter-examiners 95% CI were -2.986-1.729 and -3.279-1.468

respectively. For lesions located 0-1 cm from the body surface

the measurement value difference of the intra-examiners and inter- examiners 95% CI were -0.268-10.352 and -7.857-3.756

respectively. The measurement value difference of the intra-examiners and inter-examiners 95% CI of lesions located 1-3 cm away from the body surface were narrower than those located at 0-1 cm.

Conclusion:

The reproducibility of SWE in the measurement of breast lesions is generally good

and the lesions located 1-3 cm from the surface of the body are better than those located 0-1cm from the surface of the body.

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