<unk>  is a biopsy procedure in which a sample of tissue is removed from the prostate for examination under a microscope. A thin, lighted tube is inserted through the urethra into the prostate, and a small piece of tissue is removed with a cutting loop.
Transurethral biopsy
Cystography
Transperineal biopsy
Cystometry
Cystoscopy
Retrograde urethrogram
Prostate biopsy
Urinary tract ultrasound