Q:

A 75 year old man has urinary symptoms of hesitancy, frequency and nocturia. Rectal examination: large hard prostate. What is the most appropriate investigation?

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A 75 year old man has urinary symptoms of hesitancy, frequency and nocturia. Rectal examination: large hard prostate. What is the most appropriate investigation?


  1. CA 125
  2. CA 153
  3. CA 199
  4. CEA
  5. PSA (prostate specific antigen)

All Answers

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The key is E. PSA. [Urinary symptoms and hard prostate on PR suggests prostatic cancer for which PSA should be done].

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