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- W4240358584 abstract "We evaluated the presence of human chorionic gonadotropin (hCG), alpha-fetoprotein (AFP) and a panel of other tumor markers in the compartment next to the tumor (that is, the malignant hydrocele fluid).We measured hCG, AFP, neuron-specific enolase, carcinoembryonic antigen and cytokeratin-19 fragments in cubital vein sera and in hydrocele fluids of patients with testicular cancer. Results were compared with those obtained from hydrocele fluids of patients with benign disease.All tumor markers remained under the respective cutoff values in benign hydroceles. In patients with pure seminomas, hCG levels were elevated in 66% of hydroceles but only once in peripheral sera, whereas AFP remained low in both compartments. Furthermore, of 11 cases of nonseminomatous germ cell tumor hydrocele fluids, 3 with negative peripheral tumor marker values had to be reclassified marker positive, of which 2 showed elevated hCG levels and 1 had increased levels of AFP. Significant changes of neuron-specific enolase and carcinoembryonic antigen concentrations could not be observed. However, a cytokeratin-19 fragment measured by Cyfra 21-1 assay was elevated in 2 of 3 seminomatous and in 4 of 8 nonseminomatous hydroceles.These data give a new insight into the in vivo secretion pattern of testicular germ cell neoplasms, which demonstrates that the term marker negative should be restricted to selected cases of testicular cancer. Analysis of tumor markers in hydrocele fluids may be a helpful tool in patients with scrotal swelling if clinical and sonographic results remain uncertain." @default.
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- W4240358584 date "1997-09-01" @default.
- W4240358584 modified "2023-09-26" @default.
- W4240358584 title "Tumor Markers in Hydrocele Fluids of Patients With Benign and Malignant Scrotal Diseases" @default.
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- W4240358584 doi "https://doi.org/10.1097/00005392-199709000-00042" @default.
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