What is the role of TRUS in the workup of prostate cancer?

Updated: Jan 14, 2019
  • Author: Lanna Cheuck, DO; Chief Editor: Edward David Kim, MD, FACS  more...
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Answer

Answer

Transrectal ultrasonography (TRUS) is used to examine the prostate for hypoechoic areas, which are commonly associated with cancers but are not specific enough for diagnostic purposes. An example of a hypoechoic lesion is seen below.

Transrectal sonogram of the prostate showing a hyp Transrectal sonogram of the prostate showing a hypoechoic lesion in the peripheral zone of the gland that is suggestive of cancer.

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