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- Title
The diagnostic performance of shear wave elastography for malignant cervical lymph nodes: A systematic review and meta-analysis.
- Authors
Suh, Chong; Choi, Young; Baek, Jung; Lee, Jeong; Suh, Chong Hyun; Choi, Young Jun; Baek, Jung Hwan; Lee, Jeong Hyun
- Abstract
<bold>Objective: </bold>To evaluate the diagnostic performance of shear wave elastography for malignant cervical lymph nodes.<bold>Methods: </bold>We searched the Ovid-MEDLINE and EMBASE databases for published studies regarding the use of shear wave elastography for diagnosing malignant cervical lymph nodes. The diagnostic performance of shear wave elastography was assessed using bivariate modelling and hierarchical summary receiver operating characteristic modelling. Meta-regression analysis and subgroup analysis according to acoustic radiation force impulse imaging (ARFI) and Supersonic shear imaging (SSI) were also performed.<bold>Results: </bold>Eight eligible studies which included a total sample size of 481 patients with 647 cervical lymph nodes, were included. Shear wave elastography showed a summary sensitivity of 81 % (95 % CI: 72-88 %) and specificity of 85 % (95 % CI: 70-93 %). The results of meta-regression analysis revealed that the prevalence of malignant lymph nodes was a significant factor affecting study heterogeneity (p < .01). According to the subgroup analysis, the summary estimates of the sensitivity and specificity did not differ between ARFI and SSI (p = .93).<bold>Conclusion: </bold>Shear wave elastography is an acceptable imaging modality for diagnosing malignant cervical lymph nodes. We believe that both ARFI and SSI may have a complementary role for diagnosing malignant cervical lymph nodes.<bold>Key Points: </bold>• Shear wave elastography is acceptable modality for diagnosing malignant cervical lymph nodes. • Shear wave elastography demonstrated summary sensitivity of 81 % and specificity of 85 %. • ARFI and SSI have complementary roles for diagnosing malignant cervical lymph nodes.
- Subjects
CERVICAL cancer diagnosis; ACOUSTIC radiation force impulse imaging; SHEAR waves; LYMPH nodes; SENSITIVITY analysis
- Publication
European Radiology, 2017, Vol 27, Issue 1, p222
- ISSN
0938-7994
- Publication type
journal article
- DOI
10.1007/s00330-016-4378-3