The diagnostic performance of fludeoxyglucose F 18 ( 18 F-FDG) positron emission tomography (PET) in detecting periprosthetic joint infection (PJI) in hip and knee replacements seems sufficiently high for routine clinical application and adds to conventional tests in terms of diagnostic accuracy.Iterative metal artifact reduction of computed tomography data improves PET image quality around prostheses.Location rather than intensity of 18 F-FDG uptake is critical in diagnosing hip and knee PJI.18 F-FDG uptake at the middle portion of the femoral shaft at the bone-prosthesis interface is highly suspicious for hip PJI.18 F-FDG uptake at the bone-prosthesis interface has been consistently reported as diagnostic criterion for knee PJI.
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Kwee et al. (2020) studied this question.
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