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Table 4 Baseline clinico-radiological-pathological characteristics in 40 prostate cancer cases who performing both systematic template and MRI-US fusion guided prostate biopsy with identifiable extraprostatic extension through transrectal or transperineal approach

From: Detection of extraprostatic extension by transperineal multiparametric magnetic resonance imaging-ultrasound fusion targeted combined with systemic template prostate biopsy

Variables

All

TR

TP

p value

Patients, n (%)

40 (100)

20 (50.0)

20 (50.0)

 

Median yrs age (IQR)

71 (64–76)

72 (66–78)

73 (63–75)

0.904

Median ng/ml PSA (IQR)

11.9 (6.1–17.2)

9.53 (5.8–13.9)

14.5 (6.8–30.9)

0.056

Median cc prostate vol (IQR)

52 (38–66)

52 (39–70)

52 (34–65)

0.620

Median ng/ml/cc PSA density (IQR)

0.25 (0.14–0.44)

0.17 (0.12–0.25)

0.35 (0.24–0.71)

0.005

Indication for biopsy, n (%)

   

0.223

Elevated PSA, no prior biopsy

31 (77.5)

15 (75.0)

16 (80.0)

 

PCa + active surveillance

6 (15.0)

2 (10.0)

4 (20.0)

 

Elevated PSA + prior negative biopsy

3 (7.5)

3 (15.0)

0 (0)

 

Median index diameter (cm)

2.3 (1.5–3.5)

2.3 (1.5–3.4)

2.5 (1.5–4.1)

0.445

No. targets on MRI, n (%)

   

0.451

1

31 (77.5)

17 (85.0)

14 (70.0)

 

>1

9 (22.5)

3 (15.0)

6 (30.0)

 

PI-RADS score (index), n (%)

  

1.000

3

2 (5.0)

1 (5.0)

1 (5)

 

4

8 (20.0)

4 (20.0)

4 (20.0)

 

5

30 (75.0)

15 (75.0)

11 (75.0)

 

Primary location (index) on MRI, n (%)

   

0.407

Transitional zone

1 (2.5)

1 (5.0)

0 (0)

 

Peripheral zone

32 (80.0)

17 (85.0)

15 (75.0)

 

Multiple zones

7 (17.5)

2 (10.0)

5 (25.0)

 

Secondary location (index) on MRI, n (%)

   

0.458

Posterior

25 (62.5)

14 (70.0)

11 (55.0)

 

Anterior

3 (7.5)

2 (10.0)

1 (5.0)

 

Both

12 (30.0)

4 (20.0)

8 (40.0)

 

Laterality (index), n (%)

   

0.668

Right

12 (30.0)

5 (25.0)

7 (35.0)

 

Left

18 (45.0)

9 (45.0)

9 (45.0)

 

Both

10 (25.0)

6 (30.0)

4 (20.0)

 

EPE suspected on MRI, n (%)

   

1.000

Present

18 (45.0)

11 (55.0)

11 (55.0)

 

Absent

22 (55.0)

9 (45.0)

9 (45.0)

 

Total Gleason Grade Group, n (%)

   

0.630

2

6 (15.0)

2 (10.0)

4 (20.0)

 

3

5 (12.5)

3 (15.0)

2 (10.0)

 

4

11 (27.5)

7 (35.0)

4 (20.0)

 

5

18 (45.0)

8 (40.0)

10 (50.0)

 

Gleason Grade Group in EPE, n (%)

   

0.020

1

1 (2.5)

1 (5.0)

0 (0)

 

2

6 (15.0)

1 (5.0)

5 (25.0)

 

3

10 (25.0)

8 (40.0)

2 (10.0)

 

4

11 (27.5)

7 (35.0)

4 (20.0)

 

5

12 (30.0)

3 (15.0)

9 (45.0)

 

PNI (Combined), n (%)

   

1.000

Present

39 (97.5)

19 (95.0)

20 (100)

 

Absent

1 (2.5)

1 (5.0)

0 (0)

 

PNI in EPE

   

1.000

Present

36 (90.0)

18 (90.0)

18 (90.0)

 

Absent

4 (10.0)

2 (10.0)

2 (10.0)

 

Median PCa-positive cores (IQR)

    

SBx

10 (5–13)

8 (3–11)

10 (8–15)

0.023

TBx

4 (3–5)

4 (3–5)

4 (3–5)

0.904

Median PCa-positive core rate (IQR)

   

SBx

0.73 (0.35–0.94)

0.63 (0.29–0.98)

0.73 (0.41–0.94)

0.968

TBx

1.00 (0.88-1.00)

1.00 (0.81-1.00)

1.00 (1.00–1.00)

0.565

Median GPC (IQR)

    

SBx

0.95 (0.80-1.00)

0.95 (0.75-1.00)

0.95 (0.80-1.00)

0.947

TBx

0.95 (0.85-1.00)

0.95 (0.74-1.00)

0.95 (0.86-1.00)

0.904

Median GPC with EPE (IQR)

   

SBx

0.90 (0.64–0.98)

0.90 (0.48–0.95)

0.95 (0.80-1.00)

0.310

TBx

0.95 (0.85–0.99)

0.95 (0.70-1.00)

0.95 (0.85–0.95)

0.941

  1. TR transrectal fusion guided prostate biopsy, TP transperineal fusion guided prostate biopsy, PSA prostate-specific antigen, PCa prostate cancer, EPE extraprostatic extension, SBx systemic template biopsy, TBx MRI-US fusion targeted biopsy, Combined diagnosis by SBx and/or TBx, PNI perineural invasion, GPC greatest percentage of cancer involvement, p TR VS TP, p-values marked with bold indicate statistically significant differences