Diagnosis of prostate ca

The only test that can fully confirm the diagnosis of prostate cancer is a biopsy, the removal of small pieces of the prostate for microscopic examination. However, prior to a biopsy, several other tools may be used to gather more information about the prostate and the urinary tract. Digital rectal examination may allow a doctor to detect prostate abnormalities. Cystoscopy shows the urinary tract from inside the bladder, using a thin, flexible camera tube inserted down the urethra. Transrectal ultrasonography creates a picture of the prostate using sound waves from a probe in the rectum
PSA [prostate specific antigen] can be used as a tumor maker to diagnose ca prosrate except Small cell carcinoma, a type of prostate cancer that cannot be diagnosed using the PSA. Other modalilties for diagnosis should be left for the experts.