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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.
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