ABSTRACT Malignant peritoneal mesothelioma is a rare malignancy that may manifest as extraperitoneal metastasis. We describe the findings of 68Ga-FAPI and 18F-FDG PET/CT in a case of malignant peritoneal mesothelioma… Click to show full abstract
ABSTRACT Malignant peritoneal mesothelioma is a rare malignancy that may manifest as extraperitoneal metastasis. We describe the findings of 68Ga-FAPI and 18F-FDG PET/CT in a case of malignant peritoneal mesothelioma with widespread muscle metastasis in a butterfly-shaped distribution pattern. We found that FDG and FAPI uptake in the peritoneal tumor and its spread were inhomogeneous. Notably, 68Ga-FAPI PET/CT more clearly showed relevant lesions compared with 18F-FDG PET/CT.
               
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