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. 2022 Jan 17;1:826109. doi: 10.3389/fnume.2021.826109

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A 50-year-old man with a prosthesis in his right hip join. A PET attenuation-corrected image (A) shows FDG uptake in the lateral aspect of the prosthesis (solid arrow) l) caused by an artifact induced by attenuation correction. Clearly, no corresponding tissue is seen on the CT of the same region, despite the streaks effects from the metal implant (B) and confirmed in the fused PET/CT axial image (C). When not sure on the reason of increased FDG uptake, interpreting physicians must assess the non-attenuation-corrected image of the same region to prevent misinterpretation.