Fig. 1From: Accuracy comparison of various quantitative [99mTc]Tc-DPD SPECT/CT reconstruction techniques in patients with symptomatic hip and knee joint prosthesesIllustration of VOI placement in a patient with a painful knee arthroplasty due to cartilage lesions of the patella. Uptake of the subchondral bone in the lateral facet of the patella (red arrow) was excluded from the VOI that included both stable components of the arthroplastyBack to article page