Transrectal Prostate Biopsy

**Semantic type:** Diagnostic Procedure

**Definition:** A procedure in which a sample of tissue is removed from the prostate using a thin needle that is inserted through the rectum and into the prostate. Transrectal ultrasound is usually used to guide the needle. The sample is examined under a microscope to see if it contains cancer.

**Synonyms:** - Transrectal Biopsy - Transrectal Biopsy - transrectal biopsy