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| Differentiate diagnostic value of strain elastography technology for breast BI-RADS 4A type nodules |
| XING Boyuan DONG Meng FU Chenghui LI Xingzi ZHANG Bingyi |
| 1.Third-grade Pharmacological Laboratory on Traditional Chinese Medicine, State Administration of Traditional Chinese Medicine, the First College of Clinical Medical Science, China Three Gorges University Yichang Central People’s Hospital, Hubei Province, Yichang 443002, China |
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Abstract Objective To investigate the differential diagnostic value of strain elastography technology for breast imaging reporting and data system (BI-RADS) 4A type nodules, in order to reduce unnecessary surgery or puncture biopsy. Methods The clinical and elastography data of 237 patients with BI-RADS 4A type nodules diagnosed and treated in Yichang Central People’s Hospital, Hubei Province from May 2021 to May 2023 were retrospectively analyzed. With the pathological results as the gold standard, the clinical and ultrasound imaging characteristics of benign and malignant BI-RADS 4A type nodules were compared; the receiver operating characteristic curve was drawn to obtain the optimal threshold value of elastic strain rate ratio method for the diagnosis of benign and malignant breast gland nodules, and the BI-RADS classification of nodules was adjusted according to the elastography technology; the diagnostic efficacy and consistency results between elastic scoring method and strain rate ratio method for BI-RADS 4A type nodules was compared. Results Among 237 BI-RADS 4A type nodules, 214 were benign and 23 were malignant. There were statistically significant differences in age, elasticity score, and strain rate ratio between benign and malignant nodules (P＜0.05); there were no significant differences in the maximum diameter, shape, orientation, edge, internal echo, posterior echo, and microcalcification between benign and malignant nodules (P＞0.05). The sensitivity, specificity, accuracy, positive predictive value, and negative predictive value of the elastic score method were 60.87%, 97.20%, 93.67%, 70.00%, and 95.85%, respectively; Kappa value was 0.617, consistent with high. The sensitivity, specificity, accuracy, positive predictive value, and negative predictive value of the elastic ratio method were 73.91%, 81.31%, 80.59%, 29.82%, and 96.67%, respectively; Kappa value was 0.333, showing poor consistency. Conclusion Strain elastography technology has certain value in differential diagnostic benign and malignant BI-RADS 4A nodules, and can reduce unnecessary puncture biopsy.
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