Difference between Free Prostate Specific Antigen and Prostate Specific Antigen

Free prostate specific antigen (PSA) is a prostate specific antigen (PSA) that is present in the blood in a free form. PSA is a prostate-specific antigen (PSA) that is

present in the blood in a free form. about 80% of prostate specific antigen exists in bound form and about 20% exists in free form in serum.

2

. Normal range The

normal range of different free prostate specific antigen is 0-0.8μg/L. The normal range of prostate specific antigen is less than 4μg/L.

3. Different clinical significance

Free prostate specific antigen is a specific indicator of prostate cancer. If free prostate specific antigen is elevated, it may indicate the presence of prostate cancer. Prostate specific antigen elevation may indicate the presence of benign diseases such as prostate hyperplasia or malignant tumors such as prostate cancer, or may be caused by prostate massage.