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Table 2 Pathological characteristics of surgical patients ( n= 41)*

From: FDG-PET/CT for pre-operative staging and prognostic stratification of patients with high-grade prostate cancer at biopsy

  

No. (%)

Gleason score

6

3 (7.7)

 

7

23 (59.0)

 

8

9 (23.1)

 

9

4 (10.3)

Gleason pattern

3 + 3

2 (5.1)

 

3 + 4

8 (20.5)

 

3 + 5

1 (2.6)

 

4 + 3

16 (41.0)

 

4 + 4

8 (20.5)

 

4 + 5

3 (7.7)

 

5 + 4

1 (2.6)

Pathological T stage

pT2a

1 (2.4)

 

pT2b

3 (7.3)

 

pT2c

15 (36.6)

 

pT3a

9 (22)

 

pT3b

10 (24.4)

 

pT4a

1 (2.4)

 

pT4b

0 (0.0)

 

pTx

2 (4.9)

Margins

Negative

23 (59.0)

 

Positive

16 (41.0)

Extracapsular extension

No

21 (53.8)

 

Yes

18 (46.2)

SV invasion

No

28 (71.8)

 

Yes

11 (28.2)

Perineural invasion

No

5 (12.8)

 

Yes

19 (48.7)

 

n/a

15 (38.5)

Intraprostatic cancer extent (Mean % (SD))

-

27.3 (22.9)

Pathological N stage

pN0

30 (73.2)

 

pN1

11 (26.8)

Number of LN (Mean (SD))

-

17.6 (7.3)

LN density (Mean (SD))

-

3.6 (8.3)

  1. LN = lymph nodes; SD = standard deviation; SV = seminal vesicles; n/a = not available.
  2. *39 patients underwent radical prostatectomy with extended pelvic lymph node dissection and 2 patients underwent extended pelvic lymph node dissection only.
  3. Based on 2005 International Society of Urological Pathology Modified Gleason System.
  4. Based on American Joint Committee on Cancer, 7th ed.