these include the use of digital rectal examination , prostate-specific antigen , transrectal ultrasound , prostatic acid phosphatase , the biopty gun , and cell ploidy , as well as the diagnosis of premalignant lesions of the prostate , such as prostatic dysplasia or , more appropriately , prostatic intraepithelial neoplasia .
C0138741
prostate-specific antigen
C0033572
prostatic