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  • Title: [Evaluation of serum tissue polypeptide antigen (TPA) in patients with urogenital cancer].
    Author: Tozuka K, Yonese Y, Nakagami Y, Minowa T, Hiraoka Y, Yamada N, Hikima N, Ishii Y, Tannowa K, Fujioka Y.
    Journal: Gan To Kagaku Ryoho; 1984 May; 11(5):1078-83. PubMed ID: 6721513.
    Abstract:
    The level of serum TPA was determined by radio-immunoassay in 19 healthy subjects and 90 patients with urogenital cancer. The normal level of serum TPA was 86 +/- 24 U/l, and the level of more than 134 U/l was determined positive. The positive rate of TPA was 38.9% in 90 patients, while that of CEA was 25.6%. In 19 patients with bladder tumor and 7 with testicular tumor, the positive rates of TPA were 52.6% and 71.4%, respectively, and the level of serum TPA was high in these positive patients. Considering the low positive rate of CEA, TPA may be a more useful marker than CEA in patients with bladder tumor and testicular tumor. Serial determinations of serum TPA and CEA showed the considerable variation of serum TPA compared with serum CEA and a temporary elevation of serum TPA following radical nephrectomy and retroperitoneal lymphadenectomy. However, the level of serum TPA fell significantly after the successful treatment in 8 patients (2 with renal cell cancer, 3 with bladder tumor, 1 with prostate cancer, 2 with testicular tumor) and rose sharply with recurrent or metastatic disease in 4 patients (2 with bladder tumor, 2 with testicular tumor). Although there was no correlation between the levels of serum TPA and serum PAP, the level of serum TPA tended to change in parallel with the level of serum AFP or HCG in 3 patients with testicular tumor.
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