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Imaging of paraduodenal pancreatitis:A systematic review

World Journal of Radiology 2023年第2期15卷 42-55页

作者： Matteo Bonatti NicolòDe Pretis Giulia A Zamboni Alessandro Brillo Stefano Francesco Crinò Riccardo Valletta Fabio Lombardo Giancarlo Mansueto Luca Frulloni Department of Radiology Ospedale Centrale di BolzanoBolzano 39100Italy Gastroenterology and Digestive Endoscopy Unit The Pancreas InstituteG.B.Rossi University Hospital of VeronaVerona 37134Italy Department of Diagnostics and Public Health Radiology SectionPoliclinico GB RossiUniversity of VeronaVerona 37134VeronaItaly Department of Medicine University of VeronaVerona 37134Italy Department of Radiology IRCCS Sacro Cuore Don Calabria HospitalNegrar 37024Italy

BACKGROUND paraduodenal pancreatitis(PP)represents a diagnostic challenge,especially in non-referral centers,given its potential imaging overlap with pancreatic cancer.There are two main histological variants of PP,the cystic and the solid,with slightly different imaging appearances.Moreover,imaging findings in PP may change over time because of disease progression and/or as an effect of its risk factors exposition,namely alcohol intake and smoking.AIM To describe multimodality imaging findings in patients affected by PP to help clinicians in the differential diagnosis with pancreatic cancer.METHODS The systematic review was conducted according to the Preferred Reporting Items for Systematic reviews and Meta-analyses 2009 guidelines.A Literature search was performed on PubMed,Embase and Cochrane Library using(groove pancreatitis[Title/Abstract])OR(PP[Title/Abstract])as key words.A total of 593 articles were considered for inclusion.After eliminating duplicates,and title and abstract screening,53 full-text articles were assessed for eligibility.Eligibility criteria were:Original studies including 8 or more patients,fully written in English,describing imaging findings in PP,with pathological confirmation or clinical-radiological follow-up as the gold standard.Finally,14 studies were included in our systematic review.RESULTS Computed tomography(CT)findings were described in 292 patients,magnetic resonance imaging(MRI)findings in 231 and endoscopic ultrasound(EUS)findings in 115.Duodenal wall thickening was observed in 88.8%of the cases:Detection rate was 96.5%at EUS,91.0%at MRI and 84.1%at CT.Second duodenal portion increased enhancement was recognizable in 76.3%of the cases:Detection rate was 84.4%at MRI and 72.1%at CT.Cysts within the duodenal wall were detected in 82.6%of the cases:Detection rate was 94.4%at EUS,81.9%at MRI and 75.7%at CT.A solid mass in the groove region was described in 40.9%of the cases;in 78.3%of the cases,it showed patchy enhancement in the portal venous phase,and in 100%appeared iso/hyperin

关键词： pancreatitis paraduodenal pancreatitis Diagnostic imaging Computed tomography Magnetic resonance imaging Endoscopic ultrasound

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