Clinical Study
Comparison of Transperineal Mapping Biopsy Results with Whole-Mount Radical Prostatectomy Pathology in Patients with Localized Prostate Cancer
Table 3
Characteristics of TMB and prostatectomy specimen for the four prostate quadrants.
| | | Quadrant | | | Left Anterior | Right Anterior | Left Posterior | Right Posterior |
| | Transperineal Mapping Biopsy (TMB) | | | | | | Number of cores taken, (%) | | | | | | 2–18 | 9 (53) | 10 (59) | 10 (59) | 10 (59) | | 20–33 | 8 (47) | 7 (41) | 7 (41) | 7 (41) | | Number of positive cores, (%) | | | | | | 0 | 6 (35) | 5 (29) | 8 (47) | 5 (29) | | 1 | 3 (18) | 4 (24) | 1 (6) | 2 (12) | | 2 | 2 (12) | 4 (24) | 3 (18) | 2 (12) | | 3 | 0 (0) | 0 (0) | 2 (12) | 6 (35) | | >3 | 6 (35) | 4 (24) | 3 (18) | 2 (12) | | Length of cancer in positive cores (mm), median (IQR) | 3.2 (2.0–17.8) | 4.8 (1.3–7.7) | 3.0 (2.0–6.3) | 6.0 (4.4–7.2) | | Gleason score, (%) | | | | | | Negative | 6 (35) | 5 (29) | 8 (47) | 5 (29) | | 6 | 7 (41) | 7 (41) | 5 (29) | 5 (29) | | 7 () | 4 (24) | 5 (29) | 4 (24) | 5 (29) | | 7 () | 0 (0) | 0 (0) | 0 (0) | 1 (6) | | 9 () | 0 (0) | 0 (0) | 0 (0) | 1 (6) | | Prostatectomy Specimen | | | | | | Gleason score | | | | | | Negative | 6 (35) | 6 (35) | 7 (41) | 7 (41) | | 6 | 3 (18) | 5 (29) | 5 (29) | 4 (24) | | 7 () | 7 (41) | 6 (35) | 3 (18) | 3 (18) | | 7 () | 1 (6) | 0 (0) | 2 (12) | 2 (12) | | 8 | 0 (0) | 0 (0) | 0 (0) | 1 (6) | | Area of cancer (mm2), median (IQR) | 0.42 (0.19–1.14) | 0.45 (0.11–0.87) | 0.24 (0.13–0.41) | 0.24 (0.18–0.48) | | Diameter of cancer (mm), median (IQR) | 1.15 (0.79–1.66) | 1.20 (0.58–1.49) | 0.87 (0.51–0.97) | 0.84 (0.73–1.08) |
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A total of 68 quadrants from 17 patients were examined. Among the 42 quadrants with cancer present.
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