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Diagnostic performance of endoscopic ultrasound through-the-needle microforceps biopsy of pancreatic cystic lesions: Systematic review with meta-analysis.

Authors
  • Tacelli, Matteo1
  • Celsa, Ciro1
  • Magro, Bianca1
  • Barchiesi, Marco2
  • Barresi, Luca3
  • Capurso, Gabriele4
  • Arcidiacono, Paolo Giorgio4
  • Cammà, Calogero1
  • Crinò, Stefano Francesco5
  • 1 Section of Gastroenterology and Hepatology, Dipartimento di Promozione della Salute, Materno Infantile, Medicina Interna e Specialistica di Eccellenza (PROMISE), University of Palermo, Palermo, Italy. , (Italy)
  • 2 Department of Internal Medicine, ASST FBF-Sacco, Milan, Italy. , (Italy)
  • 3 Endoscopy Service, Department of Diagnostic and Therapeutic Services, IRCCS-ISMETT (Mediterranean Institute for Transplantation and Highly Specialized Therapies), Palermo, Italy. , (Italy)
  • 4 Pancreato-biliary Endoscopy and EUS Division, Pancreas Translational and Clinical Research Center, San Raffaele Scientific Institute IRCCS, Milan, Italy. , (Italy)
  • 5 Gastroenterology and Digestive Endoscopy Unit, The Pancreas Institute, G.B. Rossi University Hospital, Verona, Italy. , (Italy)
Type
Published Article
Journal
Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society
Publication Date
Nov 01, 2020
Volume
32
Issue
7
Pages
1018–1030
Identifiers
DOI: 10.1111/den.13626
PMID: 31912580
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Endoscopic ultrasound through-the-needle biopsy (EUS-TTNB) is a useful tool for differential diagnosis among pancreatic cystic lesions (PCLs). Cystic fluid cytology (CFC) is recommended by guidelines, but its diagnostic accuracy is about 50%. The aim of this meta-analysis is to assess the clinical impact of EUS-TTNB in terms of technical success (TS), histological accuracy (HA) and diagnostic yield (DY). Original studies in English language on EUS-TTNB were searched in MEDLINE and EMBASE until October 2019. Diagnostic accuracy of EUS-TTNB for identification of mucinous PCLs was calculated using individual diagnostic data of patients who underwent CFC and surgery. Nine studies, including 454 patients who underwent EUS-TTNB, met the inclusion criteria for the meta-analysis. TS and HA of EUS-TTNB were, respectively, 98.5% (95% Confidence Interval [CI] 97.3%-99.6%) and 86.7% (95%CI 80.1-93.4). DY was 69.5% (95%CI 59.2-79.7) for EUS-TTNB and 28.7% (95%CI 15.7-41.6) for CFC. Heterogeneity persisted significantly high in most of subgroup analyses. In the multivariate meta-regression, cyst size was independently associated with higher DY. Sensitivity and specificity for mucinous PCLs were 88.6 and 94.7% for EUS-TTNB, and 40 and 100% for CFC. Adverse events rate was 8.6% (95%CI 4.0-13.1). This meta-analysis shows that EUS-TTNB is a feasible technique that allows a high rate of adequate specimens to be obtained for histology; in about two-thirds of patients a specific histotype diagnosis could be assessed. The number of adverse events is slightly higher respect to standard EUS-FNA, but complications are very rarely severe. © 2020 Japan Gastroenterological Endoscopy Society.

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