Article

18F-FDG PET/CT in evaluation of radiofrequency ablation of liver metastasis.

Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi, India.
Clinical nuclear medicine (impact factor: 3.92). 05/2012; 37(5):498-501. DOI:10.1097/RLU.0b013e31824d24e2 pp.498-501
Source: PubMed

ABSTRACT Image-guided radiofrequency ablation (RFA) is a minimally invasive therapy option in the treatment of primary and secondary hepatic malignancies, which are not suitable for surgery/chemotherapy, and more recently, for tumors with limited hepatic involvement and solitary liver metastasis. Accurate assessment of treatment response after RFA remains a concern. Conventional imaging modalities have limitations of differentiation between residual/recurrence from post-RFA changes. We illustrate images of 3 patients in whom (18)F-FDG PET/CT was used for response assessment and restaging after RFA in liver tumors.

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Keywords

3 patients
 
Accurate assessment
 
Conventional imaging modalities
 
Image-guided radiofrequency ablation
 
limited hepatic involvement
 
minimally invasive therapy option
 
post-RFA changes
 
response assessment
 
RFA
 
solitary liver metastasis
 
surgery/chemotherapy