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First published online May 30, 2007
British Journal of Radiology (2007) 80, 508-515
© 2007 British Institute of Radiology
doi: 10.1259/bjr/17395663
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FDG-PET/CT in restaging of patients with recurrent breast cancer: possible impact on staging and therapy

P Veit-Haibach, MD 1 G Antoch, MD 1 T Beyer, PhD 2 H Stergar, MD 2 R Schleucher, MD 3 E A M Hauth, MD 1 and A Bockisch, MD, PhD 2

Departments of 1 Diagnostic and Interventional Radiology and Neuroradiology, 2 Nuclear Medicine and 3 Oncology, University Hospital Essen, Essen, Germany


Figure 1
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  		Figure 1. 56-year-old patient with a history of left-sided breast cancer. (a) Axial CT image shows a contrast-enhancing mass at the right thorax wall under the lower part of the greater pectoral muscle (white arrow). CT suggested a distant metastasis. (b) Corresponding axial PET image shows an area with pathologically increased glucose metabolism at the right thorax wall, suggesting a distant metastasis as well (black arrow). (c) Corresponding PET/CT image shows the contrast-enhancing mass with elevated glucose metabolism (white arrow). However, histopathology revealed granulomatous tissue without malignancy. All imaging modalities were evaluated as false positive.

 

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  		Figure 2. 67-year-old patient with a history of left-sided breast cancer. (a) Axial PET image shows an area with increased glucose metabolism in the left lower abdomen, suggesting a distant, peritoneal metastasis (black arrow). (b) Corresponding axial CT image was evaluated as negative for abdominal metastases. (c) Corresponding axial PET/CT image shows increased glucose metabolism in a small, contrast-enhancing mass directly beneath small bowel loops (white arrow). PET/CT suggested a peritoneal metastasis, which was confirmed by radiological and clinical follow up.

 

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  		Figure 3. 44-year-old patient with a history of unilateral right-sided breast cancer and rising tumour markers. (a) Coronal whole-body PET image shows an area of increased glucose metabolism in the right supraclavicular fossa, indicating a malignant lymph node (black arrow). (b) Corresponding axial PET image confirmed a focal region of increased glucose metabolism (black arrow). (c) Axial CT image with no evidence of a contrast-enhancing mass or lymph node. (d) Corresponding PET/CT image detected the area of increased glucose metabolism in supraclavicular fatty tissue (black arrow). Overall, PET was evaluated as false positive; combined PET/CT supported the correct diagnosis.

 




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