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. Author manuscript; available in PMC: 2023 Jul 1.
Published in final edited form as: Eur J Nucl Med Mol Imaging. 2022 Jan 31;49(8):2844–2868. doi: 10.1007/s00259-022-05706-y

Fig. 2.

Fig. 2

Axial view images (contrast-enhanced T1-weighted MRI, 68 Ga-FAPI-04 PET and fused images of both modalities) of an IDH-wildtype glioblastoma, an IDH-mutant astrocytoma, and an IDH-mutant glioblastoma. The IDH-wildtype glioblastoma and the high-grade IDH-mutant glioblastoma both show foci with moderately to markedly increased tracer uptake (white arrows and yellow arrows) within the contrast-enhancing lesion. In contrast, the tracer uptake showed only slightly elevated in IDH-mutant astrocytoma and very low in healthy brain parenchyma. Figure adapted from Rohrich et al. [46]