Isolated Pancreatic Metastasis From Rectal Cancer Mimicking Primary Pancreatic Malignancy.
case_report · Level V
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- Record sourced from PubMed, PMID 41945594.
- Also identified by DOI 10.1097/RLU.0000000000006343.
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Abstract
We present the 18 F-FDG PET/CT findings of pancreatic metastasis in a 60-year-old man with a history of rectal cancer, who presented with abdominal discomfort and elevated carcinoembryonic antigen (CEA). 18 F-FDG PET/CT revealed a hypermetabolic pancreatic nodule with ductal dilation. Histopathology confirmed metastatic intestinal-origin adenocarcinoma. This case highlights the diagnostic challenge in differentiating metastasis from primary pancreatic cancer, particularly given the uncommon presentation of solitary pancreatic metastasis and its atypical imaging features. A comprehensive evaluation is essential for accurate diagnosis.
Medical subject headings
- Pancreatic Neoplasms
- Rectal Neoplasms