نتایج جستجو برای: prostate specific antigen psa
تعداد نتایج: 1262622 فیلتر نتایج به سال:
BACKGROUND The relationship between prostate-specific antigen (PSA)-defined recurrence and prostate cancer-specific mortality remains unclear. Therefore, we evaluated the hypothesis that a short post-treatment PSA doubling time (PSA-DT) after radiation therapy is a surrogate end point for prostate cancer-specific mortality by analyzing two multi-institutional databases. METHODS Baseline, trea...
Prostate specific antigen (PSA) is generally believed to be expressed only by prostate epithelium. If this were true of PSA, RNA, then detecting PSA RNA in cells outside of the prostate would indicate metastasis. PCR can detect rare prostate cancer cells. To enhance sensitivity, we developed "nested primer" PCR to detect PSA RNA. With this method, PSA RNA is present in several non-prostate cell...
OBJECTIVE The influence of age on the performance of percent free prostate-specific antigen (%fPSA) in diagnosing prostate cancer (PCa) in East Asians is controversial. We tested the diagnostic performance of %fPSA in a multi-center biopsy cohort in China and identified the proper age-specific cutoff values to avoid unnecessary biopsies. METHODS Consecutive patients with a prostate-specific a...
Prostate cancer is the second most frequently diagnosed cancer in men worldwide and sixth leading cancer-related cause of death in males. Treatments for recurrent prostate cancer are only rarely curative, and the majority of patients eventually demonstrate progressive disease. Animal and clinical studies suggested that immunological approaches can be useful for prostate cancer treatment and pre...
OBJECTIVES To evaluate the prostate-specific antigen velocity (PSAV) as an indicator for effectiveness and durability of size reduction after holmium laser enucleation of the prostate (HoLEP). Additionally, PSAV monitoring in the detection of prostate cancer was also evaluated. METHODS Between 1998 and 2006, we reviewed the prostate-specific antigen (PSA) data of 335 men who underwent HoLEP a...
The value of the free-to-total serum prostate-specific antigen (f/t PSA) ratio was compared with that of the total prostate specific antigen (tPSA) value for the prediction of clinical stage in patients with prostate cancer. The f/t PSA ratio was obtained from the frozen sera of 56 untreated patients with histologically proven BPH and 78 patients with prostate cancer. The clinical stage was org...
CV787, a novel highly prostate-specific replication-competent adenovirus with improved efficacy, was constructed. CV787 contains the prostate-specific rat probasin promoter, driving the adenovirus type 5 (Ad5) E1A gene, and the human prostate-specific enhancer/promoter, driving the E1B gene. To improve efficacy, we constructed CV787 such that it also contains the entire Ad5 E3 region. CV787 rep...
A preponderance of clinical evidence supports a significant public health benefit for screening and early detection of prostate cancer in selected men. The challenge lies in maximizing early diagnosis of potentially aggressive but curable disease while minimizing diagnosis and treatment of indolent disease. A tailored approach to population screening in appropriately counseled men, using an evi...
We report a case of a patient who presented with an extremely high serum prostate specific antigen (PSA) level and underwent radical prostatectomy for presumed prostate cancer. Surprisingly, the whole mount prostatectomy specimen showed only small volume, organ-confined prostate adenocarcinoma and a large, benign intraprostatic cyst, which was thought to be responsible for the PSA elevation.
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