| 摘要 |
PROBLEM TO BE SOLVED: To provide a discriminating diagnostic method of prostatic cancer from protatomegaly actually applicable at a clinical place. SOLUTION: A sample containing a prostatic specific antigen PSA is brought into contact with lectin, and the PSA separated by affinity of the lectin and a sugar chain structure of the PSA is measured to discriminate prostatic cancer PC from prostatomegaly BPH.
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