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Table 1 GTV volumes for each patient

From: Focal dose escalation for prostate cancer using 68Ga-HBED-CC PSMA PET/CT and MRI: a planning study based on histology reference

 

% of prostatic volume

 

Patient

GTV-Histo

GTV-PET

GTV-MRI

GTV-union

Volume prostate (ml)

1

17%

39%

8%

41%

31.9

2

10%

23%

8%

24%

31.4

3

32%

25%

25%

36%

61.8

4

25%

9%

19%

22%

53.6

5

2%

2%

1%

2%

110.2

6

3%

4%

3%

5%

48.7

7

2%

3%

1%

4%

70

8

4%

10%

4%

11%

60

9

19%

24%

22%

33%

26.5

10

33%

26%

10%

26%

47.6

Mean

15%

17%

10%

20%

54.2

SD ±

12%

13%

9%

14%

24.4

  1. GTV-histo was not significantly smaller than GTV-union (p = 0.1) and GTV-PET (p = 0.715) but significant larger than GTV-MRI (p = 0.047) in Wilcoxon matched pairs signed-rank test. Mean prostatic volume (delineated in CT) was 54.2 ± 24.4 ml