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Imaging features of pancreatic metastases: A comparison with pancreatic ductal adenocarcinoma

  • Authors: Galia, M.; Albano, D.; Picone, D.; Terranova, M.; Agrusa, A.; Di Buono, G.; Licata, A.; Lo Re, G.; La Grutta, L.; Midiri, M.
  • Publication year: 2018
  • Type: Articolo in rivista (Articolo in rivista)
  • Key words: Abdominal radiology; Adenocarcinoma; Computed tomography; Magnetic resonance; Metastases; Pancreas; Radiology, Nuclear Medicine and Imaging
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Purpose: To compare imaging features of pancreatic metastases (PM) with those of pancreatic ductal adenocarcinomas (PDAC). Methods: CT and MR scans of 24 patients with 54 PM and 30 patients with PDAC were reviewed to evaluate the imaging features, which were compared by using a Chi square test. Results: We found a statistically significant difference between PM and PDAC based on location (P < 0.001), margins (P < 0.001), arterial enhancement (P = 0.004), rim enhancement (P < 0.001), pancreatic duct dilatation (P = 0.01), common bile duct dilatation (P = 0.003), vascular involvement (P = 0.02), parenchymal atrophy (P < 0.001), peripancreatic fluid (P = 0.03). Conclusion: Imaging features might be helpful to differentiate PM from PDAC.