A Case of Pancreatic Hamartoma in which Preoperative Diagnosis was Difficult

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  • 術前診断が困難であった膵過誤腫の1例
  • 症例 術前診断が困難であった膵過誤腫の1例
  • ショウレイ ジュツゼン シンダン ガ コンナン デ アッタ スイカゴ シュ ノ 1レイ

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Abstract

A 69-year-old woman was found to have a tumor, 1.5 cm in size, at the head of the pancreas on abdominal CT examination that was performed for repeated bleeding of a diverticulum of the large intestine. PET-CT examination showed mild FDG accumulation at the tumor site, and pancreatic cancer could not be excluded. Under probable diagnoses of tumor-forming pancreatitis or pancreatic cancer, pancreaticoduodenectomy and right hemicolectomy were performed. The histopathological diagnosis was pancreatic hamartoma. Pancreatic hamartoma is extremely rare, and it is commonly found incidentally because it lacks specific clinical symptoms. Moreover, preoperative diagnosis can be problematic due to the variety of histological types, and the diagnosis is often made postoperatively. This case of pancreatic hamartoma is presented along with a review of the relevant literature and summary of reported cases.

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