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Fig. 4B —55-year-old man with pancreatic adenocarcinoma and suspected
liver metastases shown by MRI but inconspicuous on MDCT. Axial arterial-phase
gadolinium-enhanced T1-weighted fat-suppressed gradient-recalled echo MR image
performed 3 days after MDCT shows several ring-enhancing liver lesions
(short white arrows) suggestive of liver metastases. These lesions
were not bright on T2-weighted images, suggesting bile lakes or abscesses.
Patient was afebrile. These lesions were inconspicuous on MDCT. There is
susceptibility artifact because of biliary stent (arrowhead) with
adjacent dilated pancreatic duct en face (long arrow). Note poorly
defined hypointense mass (black arrow) in pancreatic head.
