Clinical application of 18F-FDG PET/CT imaging after interventional treatments of hepatic malignancies

CHANG Zhi-hui; LIU Zhao-yu; LI Jian-ming; SUN Hong-zan; SHAN Ming

Journal of China Clinic Medical Imaging ›› 2008, Vol. 19 ›› Issue (9) : 642-645.

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Clinical application of 18F-FDG PET/CT imaging after interventional treatments of hepatic malignancies

CHANG Zhi-hui, LIU Zhao-yu, LI Jian-ming, SUN Hong-zan, SHAN Ming

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Abstract

Objective: To discuss the application of 18F-FDG PET/CT imaging after interventional treatment of hepatic malignancies. Materials and Methods: Eighteen patients(15 males and 3 females, 36~83 years old and 61.5 years old as an average) who underwent interventional treatments for hepatic malignancies were included in the study. A strong impression of tumor residual remaining or recrudescence was drawn according to clinical symptoms or AFP value but negative findings were got on conventional imaging. A whole body PET/CT examination was performed and the PET/CT results were compared with the final results of histology or close follow-up. Results: Twenty-eight foci were found and finally confirmed. 93.7%(15/16) of the foci inside liver and 100%(12/12) of the foci outside liver could be detected by PET/CT. The detection rate of PET/CT was 96.4%. 18F-FDG PET/CT was able to detect at least 1 lesion in 15 cases. Conclusion: 18F-FDG PET/CT not only can help to confirm those undetectable foci of hepatic malignancies on conventional imaging for recrudescence or newly-onset after interventional treatments, but also is able to show foci outside the liver parenchyma.

Key words

Liver neoplasms / Fluorodeoxyglucose F18 / Positron-emission tomography

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CHANG Zhi-hui;LIU Zhao-yu;LI Jian-ming;SUN Hong-zan;SHAN Ming. Clinical application of 18F-FDG PET/CT imaging after interventional treatments of hepatic malignancies[J]. Journal of China Clinic Medical Imaging. 2008, 19(9): 642-645