1.   Some patients had a repeat biopsy so that more than one in vitro agent could be evaluated.

2.   If high grade dysplasia was found, repeat biopsies were performed within six months.

3.   And if the PSA reading continued to rise, he said, the doctor would likely have ordered a repeat biopsy.

4.   A physician not involved in the research said the test makes sense and could reduce the number of repeat biopsies.

5.   Currently, doctors recommend that men with high-grade PIN undergo repeat biopsies every three to six months.