Table 3.
Characteristics of seven cases of prostate cancer detected by systematic biopsy with no abnormality on magnetic resonance imaging and no indication for targeted biopsy.
| PSA | T-stage | Gleason | Biopsy mode | No. of sectors with cancer |
Modified Epstein criteria |
|
|---|---|---|---|---|---|---|
| 1 | 3.47 | T1c | 3+3=6 | SB | 1/10 | IS |
| 2 | 4.05 | T1c | 3+3=6 | SB | 3/10 | S |
| 3 | 3.53 | T1c | 3+3=6 | SB | 1/10 | IS |
| 4 | 3.32 | T1c | 3+4=7 | SB | 1/10 | S |
| 5 | 6.83 | T1c | 3+4=7 | SB | 4/10 | S |
| 6 | 4.04 | T1c | 3+3=6 | SB | 1/10 | S |
| 7 | 3.03 | T1c | 3+3=6 | SB | 1/10 | IS |
Modified Epstein criteria for insignificant cancer (IS) = Clinical stage T1c, Gleason score ≤6, PSA density ≤0.15 ng/ml/m3, ≤2 sectors with cancer, unilateral cancer. PSA = Prostate-specific antigen, SB=Systematic biopsy, TB=Targeted biopsy, S=Significant, IS=Insignificant