Prostate-specific antigen (PSA) levels by age remain the same across most populations. A PSA level above 4.0 ng/mL in any age group must be investigated. However, PSA levels can spike in noncancerous conditions, such as benign prostate hypertrophy (BPH), urinary tract infections, prostatitis,...
While immunohistochemical analysis was performed by visual semiquantitative scoring by two independent researchers and not by automated imaging, we have previously shown that semiquan- titative scoring correlated with quantitative ERG mRNA levels.9 Conclusions Immunohistochemical ERG expression in a well- ...