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KMID : 0358320100510060438
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Korean Journal of Urology
2010 Volume.51 No. 6 p.438 ~ p.440
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Urachal Actinomycosis Mimicking a Urachal Tumor
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Lim Kyoung-Taek
Moon Seung-Jin
Kwon Joon-Seok
Son Young-Woo
Choi Hong-Yong
Choi Yun-Young
Pyo Ju-Yeon
Park Yong-Wook
Moon Hong-Sang
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Abstract
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A 26-year-old man presented with lower abdominal discomfort and a palpable mass in the right lower quadrant. An abdominal computed tomography (CT) scan revealed an abdominal wall mass that extended from the dome of the bladder. Fluorine-18 fluorodeoxyglucose (FDG) positron-emission tomography/CT (PET/CT) showed hypermetabolic wall thickening around the bladder dome area that extended to the abdominal wall and hypermetabolic mesenteric infiltration. Differential diagnosis included a urachal tumor with invasion into adjacent organs and chronic inflammatory disease. Partial cystectomy with abdominal wall mass excision was performed, and the final pathologic report was consistent with urachal actinomycosis.
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KEYWORD
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Actinomycosis, Positron-emission tomography, Urachal cyst
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