نتایج جستجو برای: psa density
تعداد نتایج: 421710 فیلتر نتایج به سال:
PURPOSE To assess the ability of preoperative variables to predict extracapsular extension (ECE) and positive surgical margin (PSM) in radical prostatectomy patients with prostate-specific antigen (PSA) levels of less than 10 ng/ml. MATERIALS AND METHODS From January 2008 to December 2009, 121 patients with prostate cancer with PSA levels lower than 10 ng/ml who underwent radical prostatectom...
Background: In recent years the use of Prostate Specific Antigen test (PSA) has reduced the mortality rate of prostate cancer. Certain factors by affecting the levels of PSA, decrease or increase prostate cancer detection. Some studies suggest the effect of body weight and Body Mass Index (BMI) on PSA, while some others are contrary to the opinion mentioned.. Hence, in this study we ex...
Purpose: Benign Prostatic Hyperplasia (BPH) is an important cause of morbidity for ageing men worldwide. However, the available study limited on natural history BPH and dynamics Prostate-Specific Antigen (PSA) in Sri Lankan population. This aimed to assess relationship between serums Prostate Specific (PSA), prostate volume (PV), PSA density (PSAD) evaluate variations above parameters with agin...
BACKGROUND Determinations of serum levels of prostate specific antigen (PSA) are widely used for the detection of prostate cancer, but have not demonstrated sufficient sensitivity and specificity to be useful in urological practice. In order to enhance the diagnostic value of serum PSA, we studied the distribution of serum PSA levels by age in urological patients without clinical evidence of pr...
Several studies have compared prostate-specific antigen (PSA) kinetics in men with and without cancer, but there has been no adequate analysis of the longitudinal variation in PSA. The aim of this study was to assess the fluctuations in PSA in a cohort of elderly men in an attempt to define a physiological pattern of PSA kinetics. We searched a specific cohort of patients aged > 75 years and wi...
BACKGROUND Prostate-specific antigen densities have limited success in diagnosing prostate cancer. We emphasise the importance of the peripheral zone when considered with its cellular constituents, the "prostatocrit". OBJECTIVE Using zonal volumes and asymmetry of glandular acini, we generate a peripheral zone acinar volume and density. With the ratio to the whole gland, we can better predict...
OBJECTIVE MRI of the prostate improves diagnostic accuracy of prostate cancer. Different fusion approaches with transrectal ultrasound images are employed. To determine detection rate of prostate cancer in men undergoing transperineal MRIbased cognitive fusion biopsy. MATERIALS AND METHODS One hundred and sixty-four consecutive men underwent a multiple-core prostate transperineal biopsy. Univ...
PURPOSE To investigate the predictive factors of unfavorable prostate cancer in Korean men who underwent radical prostatectomy but eligible for active surveillance according to Epstein criteria. METHODS We retrospectively reviewed the medical records of 2,036 patients who underwent radical prostatectomy for prostate cancer between 1994 and 2011. Among these, 233 patients were eligible for act...
Preoperative Gleason score (GS) obtained from Trans Rectal Ultra Sonography (TRUS) is the most common grading system to evaluate the appropriate treatment for patients with clinically localized prostate cancer. But this method showed upgraded and downgraded results in comparison to Gleason score obtained from radical prostatectomy. The current study aimed to determine clinical or pathological v...
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