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Related Experiment Video

Updated: Feb 12, 2026

Performing Data Mining And Integrative Analysis Of Biomarker in Breast Cancer Using Multiple Publicly Accessible Databases
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Breast strain elastography: Observer variability in data acquisition and interpretation.

YiJie Dong1, Chun Zhou1, JianQiao Zhou1

  • 1Department of Ultrasound, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200025, China.

European Journal of Radiology
|March 25, 2018
PubMed
Summary
This summary is machine-generated.

This study found moderate agreement in acquiring breast strain elastography images but poor agreement in interpreting them between observers. Intraobserver agreement for image interpretation was good.

Keywords:
Breast lesionElasticity scoreElastographyUltrasound

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Area of Science:

  • Radiology
  • Medical Imaging
  • Oncology

Background:

  • Breast strain elastography is a valuable tool for assessing breast lesions.
  • Evaluating the reproducibility of this technique is crucial for its clinical application.

Purpose of the Study:

  • To assess the observer reproducibility of breast strain elastography in both image acquisition and interpretation.

Main Methods:

  • A prospective study involving 124 breast lesions in 118 women examined by two blinded radiologists.
  • Three blinded observers evaluated elasticity scores for interobserver and intraobserver reproducibility.
  • Diagnostic performance was compared between the two image acquisition performers.

Main Results:

  • Interobserver agreement for image acquisition was moderate (kappa=0.438).
  • Interobserver agreement for image interpretation was poor (kappa=0.365), while intraobserver agreement was good (kappa=0.655).
  • No significant difference in diagnostic performance (Az) was found between the two performers.

Conclusions:

  • Breast strain elastography shows moderate reproducibility in image acquisition.
  • Image interpretation reproducibility is poor between observers but good within observers.
  • Further standardization may improve interpretation consistency.