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The value of virtual touch tissue imaging quantification in the differential diagnosis between benign and malignant breast lesions

  • Wen-tao Kong
  • Wei-jun Zhou
  • Yin Wang
  • Xiao-min Zhuang
  • Min WuEmail author
Original Article–Breast & Thyroid
  • 7 Downloads

Abstract

Purpose

To evaluate the value and diagnostic performance of virtual touch tissue imaging quantification (VTIQ) and to determine the optimum cut-off value for differential diagnosis between benign and malignant breast lesions.

Methods

Conventional ultrasonography (US) and VTIQ were performed in 454 patients with 466 breast lesions with a Siemens Acuson S3000 ultrasound machine. All lesions were assessed by an ultrasound Breast Imaging Reporting and Data System (BI-RADS) and confirmed by histopathology. The maximum, mean, and minimum shear wave velocity (SWV) values were quantitatively measured in m/s within the regions of interest (ROIs) and ranged from 0.5 to 10 m/s. The sensitivity, specificity, accuracy, and area under the receiver operating curve (AUC) of the VTIQ, BI-RADS, and combined data were compared.

Results

Among the 466 breast lesions, 266 were benign and 200 were malignant. All of the SWV values of the malignant lesions were significantly greater than those of the benign ones (P < 0.05). The optimal cut-off values for SWVmax, SWVmin, SWVmean, and SWVmax/SWVmin obtained from ROC analysis were 5.37 m/s, 3.08 m/s, 4.04 m/s, and 1.83, respectively. Logistic regression analysis revealed that BI-RADS was an independent risk factor for the differential diagnosis of breast lesions, whereas SWV values were not independent risk factors.

Conclusions

VTIQ is useful in the differential diagnosis between benign and malignant breast lesions. The combination of VTIQ and ultrasonic BI-RADS can improve the diagnostic performance.

Keywords

Virtual touch tissue imaging quantification Breast imaging reporting and data system Shear wave velocity Diagnostic performance 

Notes

Funding

This study was funded by the National Natural Science Foundation of China (81671701) and the Nanjing Medical Science and Technique Development Foundation.

Compliance with ethical standards

Conflict of interest

There are no conflicts of interest.

Ethical statement

All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. Informed consent was obtained from all patients for being included in the study.

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Copyright information

© The Japan Society of Ultrasonics in Medicine 2019

Authors and Affiliations

  1. 1.Department of Ultrasound, Drumtower HospitalMedical College of Nanjing UniversityNanjingChina
  2. 2.Department of Thyroid and Breast Surgery, Drumtower HospitalMedical College of Nanjing UniversityNanjingChina

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