游离PSA及其与总PSA比值在前列腺疾病诊断中的应用

目的探讨前列腺癌诊断意义，降低前列腺癌的死亡率，减少患者痛苦做到早期诊断与治疗。方法使用嘉士林公司提供的瑞典Canag酶免试剂，按操作说明书进行操作。结果、前列腺癌。前列腺增生疾病与正常人前列腺抗原比较（PSA）浓度有显著差异。证明PSA对前列腺特异性。结论血内总前列腺抗原（TPSA）与游离前列腺抗原（fPSA）比值可提高对前列腺癌诊断的敏感性和特异性。

Application of fPSA and its ratio to TPSA in the diagnoses of prostatic diseases

Objective To discuss the meaning of diagnosis with prostate cancer, to lower the mortality, reduce patients pain and attain early diagnosis and treatment. Methods Using Sweden Canag enzyme immunoassay reagent, operating with the instructions concerned. Results The prostate antigen compare (PSA) of prostate cancer, hyperplasia of prostate and normal person shows the significant difference. It proves that PSA has a specific to prostate diagnosis. Conclusion The raising ratio of TPSA and fPSA can raise the sensitivity and the specificity of the prostate diagnosis.