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KMID : 1148920110450040319
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Nuclear Medicine and Molecular Imaging
2011 Volume.45 No. 4 p.319 ~ p.323
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A Case of Urethral Metastasis from Sigmoid Colon Cancer Diagnostically and Prognostically Indicated by F-18 FDG PET/CT
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Seo Han-Seok
Kim Eun-Sil
Kim So-Yon
Im Su-Jin
Park Yong-Hyun
Lee Ju-Hyoung
Hur So-Chong
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Abstract
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Urethral metastasis from colorectal cancer is rare and is known to have a poor prognosis. A 72-year-old man with a history of colectomy and colostomy due to sigmoid colon cancer was admitted to the emergency room with bowel distension, rectal bleeding and urinary symptoms. Computed tomography of the abdominopelvis showed sigmoid colon cancer with multiple metastases involving the liver. Positron emission tomography with F-18 fluorodeoxyglucose (FDG) showed multiple hypermetabolic foci in the liver, penis and pubic bone, which otherwise could not be diagnosed. The lesions revealed no improvement with chemotherapy and urological surgery on follow-up F-18 FDG PET/CT. We present a case of urethral metastasis of sigmoid colon cancer diagnostically and prognostically indicated by F-18 FDG PET/CT.
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KEYWORD
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Sigmoid colon cancer, Urethral metastasis, F-18 FDG PET/CT
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