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Primary Liver Carcinosarcoma and 18F-FDG PET/CT
Beilei Li1, Yiqiu Zhang, Jun Hou
1From the *Department of Nuclear Medicine, Zhongshan Hospital, Fudan University, Shanghai; †Nuclear Medicine Institute of Fudan University, Shanghai; ‡Shanghai Institute of Medical Imaging, Shanghai; and §Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China.
Abstract:
Primary liver carcinosarcoma is a very rare, malignant neoplasm that is concomitantly composed of a mixture of sarcomatous and carcinomatous elements. In the present study, an initial staging FDG PET/CT showed intense FDG uptake in a patient with liver carcinosarcoma composed of hepatocellular carcinoma and rhabdomyosarcoma. Two months after surgical resection, a restaging PET/CT showed rapid progression of the disease with abdominal and lung metastases, indicating aggressive feature of the disease. The case shows the importance to repeat a restaging PET/CT at early time after surgery for a patient with liver carcinosarcoma to monitor disease progression.
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