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METHOD FOR ESTIMATING GLEASON SCORE OF PROSTATE CANCER, METHOD FOR ESTIMATING PATHOLOGICAL STAGE, AND METHOD FOR ACQUIRING SUPPLEMENTARY INFORMATION, ALL ON THE BASIS OF SPECIFIC PSA CONTENT IN SPECIMEN
METHOD FOR ESTIMATING GLEASON SCORE OF PROSTATE CANCER, METHOD FOR ESTIMATING PATHOLOGICAL STAGE, AND METHOD FOR ACQUIRING SUPPLEMENTARY INFORMATION, ALL ON THE BASIS OF SPECIFIC PSA CONTENT IN SPECIMEN
The present invention provides methods that are for acquiring various types of supplementary information used for diagnosis or treatment of prostate cancer, and that can be implemented in a less-invasive manner at a low cost. Provided are, by measuring the content of prostate specific antigen (PSA) having a β-N-acetylgalactosamine residue at a non-reducing terminal of a sugar chain in a specimen, and comparing the measured value with a threshold value, (1) a method for estimating whether a Gleason score (primary pattern and secondary pattern) is not less than or less than a prescribed value, (2) a method for estimating whether the pathological stage (pT) is not less than or less than a prescribed value, and (3) a method for acquiring information for assessment indicating diagnosis or treatment should be actively conducted because a GS at gross total removal is expected to be higher than a GS at biopsy.
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