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  • Title: [The significance of serum gamma-seminoprotein in prostatic cancer].
    Author: Ishikawa S, Tozuka K, Ishiyama S, Goto K, Ohba S, Tokue A, Yonese Y, Kamachi S, Sakurabayashi I, Kawai T.
    Journal: Hinyokika Kiyo; 1985 Jun; 31(6):961-7. PubMed ID: 2414979.
    Abstract:
    The level of serum gamma-seminoprotein (gamma-Sm) was determined by enzyme immunoassay using an EIA gamma-Sm test kit in 32 patients with prostatic cancer (before treatment for 12 and after treatment was started for 20), 24 patients with benign prostate hypertrophy and 22 patients with other urogenital cancer. A gamma-Sm level of over 4.0 ng/ml was considered to be positive. The positive rate was 43.8% in prostatic cancer patients (83.3% before and 20.0% after treatment), 25.0% in benign prostate hypertrophy and 0% in other urogenital cancer. Since the positive rate of prostatic acid phosphatase (PAP) was 34.3% in prostatic cancer patients (75.0% before and 10.0% after treatment) and 16.7% in benign prostate hypertrophy patients, gamma-Sm may be more sensitive but less specific as an indicator of prostatic cancer in PAP. In 9 patients with prostatic cancer before treatment, the levels of serum gamma-Sm and PAP were serially determined for up to 11 months. The level of gamma-Sm decreased in 7 patients, and PAP in all patients after hormone therapy. One patient showed a consistently positive gamma-Sm level and the level of the others became positive only for gamma-Sm during follow-up. There was a statistical correlation between the levels of serum gamma-Sm and PAP in patients with prostatic cancer (r = 0.595, p less than 0.01), in patients with benign prostate hypertrophy (r = 0.882, p less than 0.01) and also in the patients in both groups together (r = 0.590, p less than 0.01).(ABSTRACT TRUNCATED AT 250 WORDS)
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