Pancreaticobiliary cancers are uncommon neoplasms, frequently diagnosed at an advanced stage with metastasis to the liver, lung, or peritoneum. Here, we report an extraordinary case of a patient presenting with both hepatic and extrahepatic lesions, including bone involvement, but without discernible disease in the biliary system or pancreas. Eventual pathological evidence supports the origin of primary pancreaticobiliary carcinoma. This case report aims to stimulate discourse regarding the consideration of pancreaticobiliary cancers as a potential cause of extrahepatic metastatic lesions. Increased awareness of such atypical presentations is crucial for early diagnosis and optimal patient management.
Keywords: biliary; bone; carcinoma; liver; lung; metastasis; pancreatic; pancreaticobiliary; rare.
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