Transrectal biopsy of the prostate
Transrectal ultrasonography is a sensitive technique for detecting prostatic carcinoma.
Most prostatic carcinomata are hypoechoic; however most hypoechoic regions are benign.
Transrectal ultrasonography with transrectal biopsy should be performed when:
- digital rectal examination is suggestive of carcinoma
- prostate specific antigen levels are raised
Transrectal ultrasonography is also useful in the diagnosis of prostatitis.
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