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Table 5 Distribution of suspected distant metastases and incidental findings

From: 11C-acetate PET/CT in pre-therapeutic lymph node staging in high-risk prostate cancer patients and its influence on disease management - a retrospective study

Localisation of suspected pathology

Number of PET + lesions

Number of CT + lesions

CT appearance

Pathology unrelated to prostate cancer

Number of patients

Σ distant metastases

Paraaortal LN

6 (mean SUVmax 5.8 g/ml)

6 (mean short axis 13 mm)

Oval-rounded shape

 

6

6 (4 solitary, 2 conglomerates)

Mediastinal/hilar LN

8 (mean SUVmax 3.7 g/ml)

8 (mean short axis 10 mm)

Oval-rounded shape

 

8

8 (6 solitary, 2 conglomerates)

Axillary LN

1 (SUVmax 9.0 g/ml)

1 (short axis 10 mm)

Rounded shape

 

1

1

Cervical LN

2 (mean SUVmax 5.6 g/ml)

2 (mean short axis 10 mm)

Rounded shape

 

1

2 (2 conglomerates)

Skeletal

20 (mean SUVmax 7.1 g/ml)

20

Sclerotic

 

4

20

Liver

1 (SUVmax 14.3 g/ml)

1

Hypoattenuating mass

HCC

1

-

Kidney

1 (SUVmax 14.2 g/ml)

1

Heterogeneous mass

RCC

1

-

Σ

39

39

  

22a

37

  1. aSix patients with multiple sites, in total 14 with suspected distant metastases, and two with incidental findings. HCC, hepatocellular carcinoma; RCC, renal cell carcinoma.