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Pathology 25

A 60-year-old man presents to the physician’s office complaining of waking up during the night to urinate, urinary hesitancy, and a weak urinary stream for the past 6 months. Physical examination reveals a firm and enlarged but intact median sulcus. Laboratory tests reveal a normal urinalysis, normal renal function and a normal prostate-specific antigen (PSA).

Which of the following areas of the prostate is most likely affected in the disease process that you suspect is occurring?

  • A) Central periurethral zone
  • B) Median lobe of prostate
  • C) Posterior lobe of prostate
  • D) Quadrate lobe of prostate
  • E) Transitional periurethral zone


Amelia Mackarey


Dr. Ted O'Connell

Last updated

Sep 22, 2022


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