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Diagnostic features of quantitative comb-push shear elastography for breast lesion differentiation
Mahdi Bayat1, Max Denis2, Adriana Gregory1
1Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Rochester, MN, United States of America.
Plos One
|March 4, 2017
Summary
Comb-push Ultrasound Shear Elastography (CUSE) effectively differentiates benign from malignant breast masses. This technique offers high sensitivity and specificity, highlighting its clinical value in breast mass diagnosis.
Area of Science:
- Medical Imaging
- Diagnostic Ultrasound
- Biomedical Engineering
Background:
- Shear wave elastography measures lesion stiffness to distinguish benign from malignant breast masses.
- Comb-push Ultrasound Shear Elastography (CUSE) is a novel technique for assessing breast mass characteristics.
Purpose of the Study:
- To evaluate the performance of CUSE in differentiating breast masses.
- To assess the sensitivity, specificity, and predictive values of CUSE in breast mass diagnosis.
Main Methods:
- A prospective study analyzed data from 223 patients with 227 suspicious breast masses.
- CUSE was performed, measuring lesion elasticity (Young's modulus) in three 3mm regions of interest.
- Statistical analyses correlated CUSE findings with pathology results.
Main Results:
- CUSE demonstrated 84.26% sensitivity and 89.92% specificity in differentiating malignant from benign lesions.
- The area under the curve (AUC) was 0.91 (P<0.0001).
- Stiffness maps showed spatial continuity, with no significant difference between average and maximum elasticity measurements (P > 0.21).
Conclusions:
- CUSE effectively distinguishes benign from malignant breast masses with high accuracy.
- The continuity of stiffness maps allows for reliable quantification using multiple regions of interest.
- CUSE shows significant clinical value for breast mass differentiation based on stiffness.
