Overall, 18 F-FDG PET demonstrates a clear trend of increased uptake with higher glioma grade, but its main limitations are poor contrast in LGG and considerable overlap with metastatic lesions and normal brain tissue.
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Comparative Insights into <sup>18</sup>F-FDG and <sup>68</sup>Ga-FAPI PET Imaging in Glioma: Diagnostic Value, Tumor Grading, and Clinical Implications.
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