Endorectal Ultrasound and Prostate Cancer
In the early days, the prostate was evaluated for cancer by a simple digital rectal examination, and a blind biopsy was performed in order to obtain a tissue diagnosis. The rapid evolution of the ultrasound technology offers a better way to evaluate the prostate, and biopsy techniques have been developed using ultrasound guidance only. Two ultrasound-guided methods are currently in use, the endorectal or transrectal ultrasound (TRUS) and, in selected cases, the transperineal.
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