Comparison of MRI and ¹⁸F-NaF PET/CT in patients with patellofemoral pain.
نویسندگان
چکیده
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.
منابع مشابه
Patients with patellofemoral pain exhibit elevated bone metabolic activity at the patellofemoral joint.
Patellofemoral pain is characterized by pain behind the kneecap and is often thought to be due to high stress at the patellofemoral joint. While we cannot measure bone stress in vivo, we can visualize bone metabolic activity using (18) F NaF PET/CT, which may be related to bone stress. Our goals were to use (18) F NaF PET/CT to evaluate whether subjects with patellofemoral pain exhibit elevated...
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ورودعنوان ژورنال:
- Journal of magnetic resonance imaging : JMRI
دوره 36 4 شماره
صفحات -
تاریخ انتشار 2012