Transurethral biopsy

Transurethral biopsy 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 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.  This article incorporates public domain material from the U.S. National Cancer Institute document 'Dictionary of Cancer Terms'.