Comparison of Transperineal Mapping Biopsy Results with Whole-Mount Radical Prostatectomy Pathology in Patients with Localized Prostate Cancer

Table 2

Overall characteristics of TMB and prostatectomy specimens (𝑁=17).

Transperineal Mapping Biopsy (TMB)
Number of cores taken, 𝑛 (%)
17–75	9 (53)
76–114	8 (47)
Number of positive cores, 𝑛 (%)
0	0 (0)
1–5	5 (29)
6–10	9 (53)
>10	3 (18)
Core density; (number of cores/specimen volume),; median (IQR)	1.26 (1.08–1.51)
Length of cancer in positive cores (mm),; median (IQR)	12.8 (9.5–16.1)
Gleason score, 𝑛 (%)
6	5 (29)
7 (3+4)	10 (59)
7 (4+3)	1 (6)
9 (4+5)	1 (6)
Laterality, 𝑛 (%)
Right	2 (12)
Left	2 (12)
Bilateral	13 (76)
Prostatectomy Specimen
Volume (cc), median (IQR)	47 (37–65)
Gleason score, 𝑛 (%)
6	3 (18)
7 (3+4)	10 (59)
7 (4+3)	3 (18)
8	1 (6)
Laterality
Right	2 (12)
Left	2 (12)
Bilateral	13 (76)
Maximum area of cancer (mm^2), median (IQR)	0.52 (0.22–0.92)
Maximum diameter of cancer (mm), median (IQR)	1.21 (0.91–1.49)