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Table 3 Imaging and histopathological findings of quadrants with disagreement between PSMA PET/MRI and mpMRI (n = 21*)

From: 68Ga-PSMA-11 PET/MRI versus multiparametric MRI in men referred for prostate biopsy: primary tumour localization and interreader agreement

 

Quad

mpMRI PIRADS

PSMA PET/MRI score

Biopsy ISUP

Final diagnosis

Pat. 1

4

2

4

2

No RPE. PSA dropped after HIFU

Pat. 8

1

1

4

1

ISUP 2

Pat. 11

1/2

1/1

4/4

2/3

ISUP 3

Pat. 11

3

2

4

3

ISUP 3

Pat. 22

4

1

5

3

No follow up or RPE

Pat. 24

2

1

4

No cancer

ISUP 3

Pat. 30

1/4

1/1

4/4

2/4

ISUP 2/ISUP 4

Pat. 32

4

1

4

2

ISUP 3

Pat. 35

2

1

3

2

ISUP 2

Pat. 42

1

1

4

2

ISUP 2

Pat. 6

3

5

1

No cancer

No follow up or RPE

Pat. 10

1

5

1

3

ISUP 3

Pat. 17

3

3

1

No cancer

No cancer

Pat. 19

4

4

2

2

ISUP 3

Pat. 26

2

5

1

4

ISUP 2

Pat. 33

3

4

1

2

ISUP 2

Pat. 39

1/2

5/5

1/1

2/2

No RPE. IHC of biopsy cores showed PSMA-negative tumour

Pat. 42

3

3

1

2

ISUP 2 (infiltrative pattern)

  1. HIFU, high intensity focused ultrasound; IHC, immunohistochemistry staining; Pat., patient; Quad, quadrant; RPE, radical prostatectomy
  2. *PSMA PET positive in 12 and mpMRI in 9