Free PSA is a newer evaluation for prostate health. This test is used to measure the percentage of free PSA relative to the total amount. Although not used as an initial screening test, a lower percentage of free PSA might mean your doctor needs to do a further testing on the ...
If the PSA test is normal, there is no urgency for a follow up test. Discuss with your doctor how long to wait until another PSA test is required. Free to total PSA PSA may occur in the bloodstream in a ‘free’ form, or it may be bound to proteins. Normally, PSA is produced by...
is attached to proteins in your blood. The other form, called percent-free PSA, circulates freely in your bloodstream. This test measures how much of your total PSA is freely circulating. The percent-free PSA tends to be lower in people with prostate cancer. ...
Also Known As: Prostate Blood Test, Free PSA, Total PSA Board Approved Medically Reviewed by Thomas Kampfrath, PhD, DABCC, FAACC Test Quick Guide Prostate specific antigen (PSA) is a type of protein produced by cells in the prostate. The prostate is a small reproductive gland that helps ...
We selected serums from 51 fully characterized prostate cancer patients and 48 biopsy-proven BPH patients in order to test the abil ity of the ratio of the free/total PSA in distinguishing between ...doi:http://dx.doi.org/10.3109/00365519509090561A. F. Prestigiacomo...
纳入标准:① 血清总PSA(total PSA,t-PSA)为4~10 ng/mL;② 穿刺前均接受TRTE和mpMRI检查;③ 已签署知情同意书,能耐受穿刺活检术且有明确诊断结果。排除标准:① 患有前列腺炎、泌尿系感染及留置导尿管等影响PSA测值;② 既往有前列腺手术...
The screening of PCa is based on two tests, the total PSA test and the rectal examination. However, PSA is not specific for PCa stage confirmation, leading in false positive result and involving PCa over-diagnosis and over-treatment. HSP27 and Menin have been found to be overexpressed in ...
Percent-free PSA.PSA comes in two major forms. One form, called complexed PSA, is attached to proteins in your blood. The other form, called percent-free PSA, circulates freely in your bloodstream. This test measures how much of your total PSA is freely circulating. The percent-free PSA ...
[25] Forde JC, Blake O, Crowley VE, Lynch TH. Stability and accuracy of total and free PSA values in samples stored at room temperature. Ir J Med Sci. 2016 Nov;185(4):989-991. [26] Srettabunjong S, B...
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