Urology

Bladder; Lower Genitourinary Calculi and Trauma Prostate Pediatric Urology

Q. Which of the following statements regarding prostatic intraepithelial neoplasia (PIN) is FALSE?

1. Low grade PIN should not be commented on in diagnostic reports.

2. PIN by itself does not give rise to elevated serum prostate specific antigen (PSA) values.

3. High grade PIN predominates in the transition zone.

4. The incidence of high-grade PIN on needle biopsy averages 5% to 10%.

5. High-grade PIN is thought to be a precursor to many prostate cancers.

Answer

Q. According to the largest studies, when high grade PIN is found by needle biopsy, what is the approximate probability of finding carcinoma on subsequent biopsy?

  1. 0-5%

  2. 5-10%

  3. 20-30%

  4. 40-50%

  5. 70-80%

ans

Q. What percentage of stage T1c cancers are located predominantly in the transition zone?

  1. 5%

  2. 15%

  3. 30%

  4. 50%

  5. 70%