Oncotarget

Meta-Analysis:

Contrast-enhanced endoscopic ultrasound for differential diagnosis of pancreatic cancer: an updated meta-analysis

Xing-Kang He, Yue Ding and Lei-Min Sun _

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Oncotarget. 2017; 8:66392-66401. https://doi.org/10.18632/oncotarget.18915

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Abstract

Xing-Kang He1,2,*, Yue Ding1,2,* and Lei-Min Sun1,2

1Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University Medical School, Hangzhou 310016, China

2Institute of Gastroenterology, Zhejiang University, Hangzhou 310016, China

*These authors contributed equally to this work

Correspondence to:

Lei-Min Sun, email: [email protected]

Keywords: contrast-enhanced EUS, contrast-enhanced doppler EUS, contrast-enhanced harmonic EUS, pancreatic adenocarcinomas

Received: July 10, 2016     Accepted: June 18, 2017     Published: July 01, 2017

ABSTRACT

Aim: We aim to assess the diagnostic value of contrast-enhanced endoscopic ultrasound (CE-EUS) for pancreatic cancer and inflammatory lesions by pooling current evidence.

Materials and Methods: A systematical search of PubMed, Web of Science and the Cochrane Library was performed from inception to January 2016. Two authors independently screened and extracted detailed data from included studies. A random effect model was adopted to estimate the pooled sensitivity, specificity in order to determine the diagnostic ablitity of CE-EUS. Furthermore, we conducted the meta-regression and subgroup analyses to explore possible heterogeneity.

Results: Eighteen eligible studies enrolling 1668 patients were finally included in the study. The pooled sensitivity of CE-EUS for distinguishing pancreatic cancers from solid inflammatory masses was 0.93 (95% CI, 0.91–0.94), and the specificity was 0.88 (95% CI, 0.84–0.90). The area under summary receiver operating characteristic curve yielded 0.97. No publication bias was observed by Deeks’ funnel plot in current meta-analysis.

Conclusions: We provided evidence that CE-EUS is a promising modality for differential diagnosis of pancreatic adenocarcinomas. Further multicenter prospective studies should be carried out to certify its utility.


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