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Role of shear-wave elastography (SWE) in complex cystic and solid breast lesions in comparison with conventional ultrasound

Title
Role of shear-wave elastography (SWE) in complex cystic and solid breast lesions in comparison with conventional ultrasound
Authors
Lee, Bo EunChung, JinCha, Eun-SukLee, Jee EunKim, Jeoung Hyun
Ewha Authors
이보은차은숙이지은정진김정현
SCOPUS Author ID
차은숙scopus; 이지은scopus; 정진scopus; 김정현scopusscopusscopus
Issue Date
2015
Journal Title
EUROPEAN JOURNAL OF RADIOLOGY
ISSN
0720-048XJCR Link1872-7727JCR Link
Citation
vol. 84, no. 7, pp. 1236 - 1241
Keywords
Shear-waveElastographyUltrasoundBreastCystic lesion
Publisher
ELSEVIER IRELAND LTD
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Objective: To evaluate the additional role of shear-wave elastography (SWE) in differential diagnosis of complex cystic and solid breast lesions. Materials and methods: From January 2013 to November 2013, 140 complex cystic and solid breast lesions from 139 consecutive patients were performed ultrasound and SWE prior to biopsy. BI-RADS ultrasound final assessment and SWE parameters were recorded for each lesion. Histopathologic diagnosis was used as the reference standard. Results: Among the 140 lesions, 30 lesions (21.4%) were malignant. The mean maximum elasticity (Emax) of malignant lesions (184.3 kPa) was significantly higher than that of benign lesions (45.5 kPa) (P < 0.001). Homogeneity of elasticity and color pattern were significantly different from malignancy and benign lesions (P < 0.05). Emax with cutoff value at 108.5 kPa showed Az value of 0.968(95% CI, 0.932-0.985) with sensitivity of 86.7% and specificity of 97.3%. Using this cutoff value, false-positive rate was 2.7% and falsenegative rate was 13.3%. By applying an Emax value of 108.5 kPa or less as a criterion for downgrading BIRADS category 4a lesions to category 3 lesions, 103/123 (83.7%) lesions could be downgraded to category 3 lesions. Conclusion: Additional use of SWE could reduce unnecessary benign biopsies in complex cystic and solid breast lesions. (C) 2015 Elsevier Ireland Ltd. All rights reserved.
DOI
10.1016/j.ejrad.2015.04.005
Appears in Collections:
의과대학 > 의학과 > Journal papers
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