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  • Title: [The significance of CA-50, SLX and ST-439 in lung cancer].
    Author: Hayasaka S, Takada M, Shinohara T, Imamura S, Takifuji N, Kudoh S, Matsui K, Kusunoki Y, Masuda N, Negoro S.
    Journal: Nihon Kyobu Shikkan Gakkai Zasshi; 1991 Jul; 29(7):802-7. PubMed ID: 1681128.
    Abstract:
    Serum levels of CA-50, SLX and ST-439 were measured in 213 patients with lung cancer (92 adenocarcinomas, 63 squamous cell carcinomas, 37 small cell carcinomas and 21 large cell carcinomas) and 87 patients with benign lung disease. The overall positive rates in patients with lung cancer were 12.8% for CA-50, 29.7% for SLX and 25.3% for ST-439. The positive rates for CA-50, SLX and ST-439 in adenocarcinoma patients were 22.8%, 42.4% and 38.0%, respectively. Of the patients with benign lung disease, 4.8% were false positive for CA-50, 15.3% for SLX and 3.6% for ST-439. In the patients with adenocarcinoma of the lung, the combination assay of CEA and ST-439 had a highly accurate rate (61.9%).
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