PURPOSE: To determine whether bone metabolic activity corresponds to bone and cartilage damage in patients with patellofemoral pain. MATERIALS AND METHODS: We acquired magnetic resonance imaging (MRI) and (18) F-NaF positron emission tomography (PET) / computed tomography (CT) scans of the knees of 22 subjects. We compared locations of increased tracer uptake on the (18) F-NaF PET images to bone marrow edema and cartilage damage visualized on MRI. RESULTS: We found that increased bone activity on (18) F-NaF PET does not always correspond to structural damage in the bone or cartilage as seen on MRI. CONCLUSION: Our results suggest that (18) F-NaF PET/CT may provide additional information in patellofemoral pain patients compared to MRI.
PURPOSE: To determine whether bone metabolic activity corresponds to bone and cartilage damage in patients with patellofemoral pain. MATERIALS AND METHODS: We acquired magnetic resonance imaging (MRI) and (18) F-NaF positron emission tomography (PET) / computed tomography (CT) scans of the knees of 22 subjects. We compared locations of increased tracer uptake on the (18) F-NaF PET images to bone marrow edema and cartilage damage visualized on MRI. RESULTS: We found that increased bone activity on (18) F-NaF PET does not always correspond to structural damage in the bone or cartilage as seen on MRI. CONCLUSION: Our results suggest that (18) F-NaF PET/CT may provide additional information in patellofemoral painpatients compared to MRI.
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