Complexed PSA.This measures the amount of PSA that is attached to proteins in your blood. It’s not widely used, but it may be done rather than assessing total and percent-free PSA levels. Combination tests.Newly developed tests combine the measurements that you get from different PSA tests....
Free PSA is a small fraction of PSA, and significantly lower levels are being found in prostate cancer. In those patients with a PSA level between 2 and 25 micrograms/l, the determination of the percentage of free PSA increased the diagnostic efficiency of PSA, while reducing the number of ...
There are no normal levels of total PSA or free PSA for men of any age. Different doctors may use different cutoff points to decide if you need a biopsy or other further testing. A PSA test measures nanograms of PSA per milliliter (ng/mL) of blood. But if you have no symptoms, the...
Methods 41 BPH and 22 prostate cancer (PCa) patients had their serum prostate specific antigen (PSA) and free PSA levels measured by radioimmunoassay.Prostate glands volumes of all patients were detected using transrectal ultrasound to calculate PSA density (PSAD). Results PSA,PSAD of PCa were ...
摘要 This study investigated whether free prostate-specific antigen(fPSA)performs better than total PSA(tPSA)in pre...展开更多 作者 Ma-Ping Huang Ping Tang Cliff S Klein Xing-Hua Wei Wei Du Jin-Gao Fu Tian-Hai Huang Hui Chen Ke-Ji Xie 机构地区 Department of Urology Department of ...
Objectives To show that prostate cancer biology is related to serum levels of both free testosterone (FT) and prostate-specific antigen (PSA), that PSA le... AB Porcaro,F Migliorini,M Romano,... - 《International Urology & Nephrology》 被引量: 19发表: 2010年 Prostate Cancer The incidence ...
To evaluate the usefulness of measuring the free/total prostate-specific antigen (PSA) ratio (%fPSA) in men with initial PSA levels of 4.1 to 10.0 ng/mL as a predictor of the future risk of developing prostate cancer. Between 1989 and 2001, 201 subjects with an initial PSA level of 4.1...
Measuring prostate specific antigen (PSA) levels can help detect benign prostate hyperplasia (BPH) and/or prostate cancer. This test also measures the percentage of free prostate specific antigen relative to the total amount; a lower percentage of free PSA may indicate the need for furth...
<bold>Objective:ld> We investigated free and total prostate–specific antigen (PSA) levels and free/total (f/t) ratio in the fasting saliva and compared them with the serum levels in normal individuals, in patients with benign prostatic hyperplasia (BPH) and prostate cancer. Ou...
disease.Conclusion: Considering that prostatic carcinoma is one of cancers usually diagnosed late and since biopsy is hardly accepted by patients, with regard to the relationship between serum levels of free PSA and free PSA/total PSA ratio we can use serum level of free PSA and total PSA for...