CTICasesMetastatic Pancreatic Adenocarcinoma
Imaging findings
CT chest shows multiple cavitary and non-cavitary nodules (Cheerios sign) scattered throughout both lungs. Review of the upper abdomen shows pancreatic ductal dilatation and pancreatic tail atrophy. Biopsy confirmed metastatic pancreatic adenocarcinoma.
Key takeaways
Pancreatic adenocarcinoma can metastasize to the lungs, presenting as multiple nodules, some of which may show internal lucency (Cheerios sign) mimicking primary lung cancer. It is critical to review the upper abdomen on chest CT to detect subtle pancreatic abnormalities like ductal dilatation.
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