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KMID : 0191119920070040369
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Journal of Korean Medical Science
1992 Volume.7 No. 4 p.369 ~ p.372
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Primary choriocarcinoma of the urinary bladder--a case report
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Cho JH
Yu E/Kim KH/Lee I
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Abstract
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We report a primary choriocarcinoma of the urinary bladder in a 63-year-old man who presented with painless hematuria. He was diagnosed as having an invasive carcinoma and underwent a total cystectomy. The tumor was diffusely hemorrhagic and occupied the dome of the bladder.
Histologically, it consisted of cyto-and syncytiotrophoblasts with extensive hemorrhage. No coexisting transitional cell carcinoma component was present. By immunohistochemistry, the tumor expressed beta-hCG and low-molecular weight cytokeratin intensely while it was negative for CEA or EMA. The post-cystectomy serum beta-hCG was 237mlU/ml, and decreased later. The pertinent literature is reviewed and diagnostic criteria are discussed.
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KEYWORD
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