نتایج جستجو برای: serum psa level
تعداد نتایج: 1340289 فیلتر نتایج به سال:
PURPOSE Studies of genetic variation in the prostate-specific antigen (PSA) gene have improved the diagnostic accuracy of PSA for diagnosing prostate diseases in Caucasians. However, the reference ranges and pharmacokinetics of PSA differ significantly according to race. Therefore, we evaluated the association between genetic variations in the PSA promoter area and benign prostatic hyperplasia ...
Objective: To investigate the correlation between postoperative pathologic grade of prostate cancer (PC) and preoperative serum PSA as well as grade of biopsy specimens. Methods: The serum PSA and preoperative and postoperative Gleason scores of PC were retrospectively analyzed in 75 patients. Correlation between serum PSA and postoperative Gleason score was evaluated, and the Gleason score bef...
OBJECTIVE The aim of this study was to evaluate the prognostic significance of each of the following in the development and progression of hormonal refractory disease in patients with metastatic prostate cancer under hormonal palliative treatment: The initial serum level prostate specific antigen (PSA), the Gleason score (GS), the presence of bone metastases with or without visceral metastases,...
Percent free prostatic-specific antigen (%fPSA) has been introduced as a tool to avoid unnecessary biopsies in patients with a serum PSA level of 4.0-10.0 ng ml-1 , however, it remains controversial whether %fPSA is effective in PSA range of 10.1-20.0 ng ml-1 in both Chinese and Western population. In this study, the diagnostic performance of %fPSA and serum PSA in predicting prostate cancer (P...
Patients with diabetes have been reported to be at an increased risk for cancers of the pancreas, liver, and colon; however, recent studies have suggested that men with diabetes are at a decreased risk for prostate cancer. Previous studies have found that obese men have lower serum prostate-specific antigen (PSA) concentrations than do non-obese men. Further understanding of how obesity and dia...
The prostate-specific antigen (PSA) test has served as a blood marker of prostate cancer (PCa), and for monitoring recurrence/metastasis in patients after therapeutic intervention. However, the applicability/reliability of the PSA test was recently questioned as it is not without challenges, in particular in men who have PCa without an elevated PSA (false negative), or in men who are disease-fr...
Purpose: To examine the usefulness of the prostate-specific antigen (PSA) density for selection of biopsy candidates with serum PSA levels between 4-10ng/ml, and determine the optimal PSA density (PSAD) cut off value for use in clinical practice. Materials and Methods: We retrospectively enrolled 705 patients with serum PSA levels between 4-10ng/ml. The patients were divided into the prostate c...
INTRODUCTION We evaluated the ratio of free to total prostate-specific antigen (PSA) and PSA to protein concentrations in saliva and serum of healthy men. MATERIALS AND METHODS Concentrations of protein, free PSA, and total PSA in serum and saliva were measured in 30 healthy men aged 42 to 73 years, and their ratios were compared between the two fluids. RESULTS There was a significant direc...
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