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Article Abstract
Primary gastric melanoma has an extremely low incidence. In this case, we describe the 18F-FDG and 68Ga-FAPI PET/MRI findings in a 43-year-old patient with primary gastric melanoma. The imaging revealed heterogeneous patterns between 18F-FDG and 68Ga-FAPI PET/MRI, emphasizing the complementary roles of dual-tracer imaging in characterizing tumor characteristics of primary gastric melanoma.
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