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KMID : 1147220160170030070
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Journal of Biomedical and Translational Research
2016 Volume.17 No. 3 p.70 ~ p.74
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Synchronous double primary renal cell carcinoma and duodenal adenocarcinoma
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Yang Ji-Youl
Lee Ho-Chang
Lee Ok-Jun
Bae Dae-Hwan
Jeong Seung-Jun
Choi Moon-Ki
Kwon Ji-Hyun
Han Hye-Sook
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Abstract
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As a result of development in medical diagnostic technology, the incidence of double primary cancer is increasing. In case that one primary cancer was identified by pathologic finding and has suggestive multiple metastatic lesions of the cancer, it is often difficult that the lesions are considered as another synchronous primary malignancy, not as metastasis of primary cancer. Here, we report a rare case of synchronous double primary renal cell carcinoma that was diagnosed initially as metastatic duodenal adenocarcinoma. A 66-year-old man presented with a palpable abdominal mass. Abdominal computed tomography showed duodenal wall thickening and hypervascular masses in the liver and left kidney. Esophagogastroduodenoscopy revealed an ulcerative lesion in the duodenal bulb, and endoscopic biopsy identified moderately-differentiated adenocarcinoma. We regarded the findings as duodenal adenocarcinoma with metastasis to liver and kidney. So he was treated with fluoropyrimidine-based chemotherapy for the diagnosis of duodenal adenocarcinoma with liver and renal metastases. After 10 months, he developed a right forearm mass. Morphological and immunohistochemical analysis of an incisional biopsy of the forearm mass were consistent with a diagnosis of metastatic renal cell carcinoma. Even when there is a pathologically confirmed malignancy, clinicians must consider the possibility of synchronous double primary malignancy in metastatic lesions.
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KEYWORD
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adenocarcinoma, double primary, duodenum, renal cell carcinoma, metastasis
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