Τετάρτη 2 Δεκεμβρίου 2020

Accuracy of transvaginal sonoelastography for differential diagnosis between malignant and benign cervical lesions: A systematic review and meta‐analysis

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Accuracy of transvaginal sonoelastography for differential diagnosis between malignant and benign cervical lesions: A systematic review and meta‐analysis

Overall, TVSE has a relatively high and satisfactory value for differential diagnosis between malignant and benign cervical lesions. SE and SWE have similar and good diagnostic performance without constituting heterogeneity. A large‐sample, multi‐center, prospective, and well‐represented trials are still needed to confirm the findings.


Abstract

Background

To evaluate the performance of transvaginal sonoelastography (TVSE) for differential diagnosis between malignant and benign cervical lesions using a meta‐analysis.

Methods

An independent literature search was conducted on the English medical database, including PubMed, Embase and Medline, Cochrane Library, Web of Science, and OVID. The diagnostic accuracy of TVSE was compared with that of histopathology, which is the gold reference standard for diagnosis. The accuracy of TVSE was assessed by calculating the pooled sensitivity, specificity, diagnostic odds ratio, and area under the curve (AUC). The imaging mechanisms, assessment methods, and QUADAS scores were assessed with a meta‐regression analysis. A Deeks funnel plot was performed for evaluating publication bias.

Results

Six eligible studies reported a total sample of 615 cervical lesions (415 cancers, 200 benign lesions). TVSE showed a pooled diagnostic odds ratio of 21.42 (95% CI 13.65‐33.61), sensitivity of 0.87 (95% CI 0.84‐0.90), specificity of 0.79 (95% CI 0.72‐0.84), and an AUC of 0.892 (Q* = 0.822). The results of the meta‐regression analysis showed that the imaging mechanism (P = .253), the assessment method (P = .279), or QUADAS score (P = .205) did not affect the study heterogeneity.

Conclusion

TVSE has a relatively high and satisfactory value for differential diagnosis between malignant and benign cervical lesions. The diagnostic performance of strain elastography and shear wave elastography were similar and good. However, to accommodate heterogeneity and publication bias, high‐quality studies are required to further comparative effectiveness analyses to verify the efficacy of ultrasound detection.

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