Endoscopic ultrasound-guided fine needle core biopsy for the diagnosis of pancreatic malignant lesions: a systematic review and Meta-Analysis.

Sci Rep 2016 Mar 10;6:22978. Epub 2016 Mar 10.

Department of Gastroenterology, The 306th Hospital of PLA, Chaoyang District, Beijing 100101, China.

Endoscopic ultrasound-guided fine needle core biopsy (EUS-FNB) has been used as an effective method of diagnosing pancreatic malignant lesions. It has the advantage of providing well preserved tissue for histologic grading and subsequent molecular biological analysis. In order to estimate the diagnostic accuracy of EUS-FNB for pancreatic malignant lesions, studies assessing EUS-FNB to diagnose solid pancreatic masses were selected via Medline. Sixteen articles published between 2005 and 2015, covering 828 patients, met the inclusion criteria. The summary estimates for EUS-FNB differentiating malignant from benign solid pancreatic masses were: sensitivity 0.84 (95% confidence interval (CI), 0.82-0.87); specificity 0.98 (95% CI, 0.93-1.00); positive likelihood ratio 8.0 (95% CI 4.5-14.4); negative likelihood ratio 0.17 (95% CI 0.10-0.26); and DOR 64 (95% CI 30.4-134.8). The area under the sROC curve was 0.96. Subgroup analysis did not identify other factors that could substantially affect the diagnostic accuracy, such as the study design, location of study, number of centers, location of lesion, whether or not a cytopathologist was present, and so on. EUS-FNB is a reliable diagnostic tool for solid pancreatic masses and should be especially considered for pathology where histologic morphology is preferred for diagnosis.

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http://dx.doi.org/10.1038/srep22978DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4785370PMC
March 2016
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