Bone imaging of knee osteoarthritis (IMAGE) Society of Nuclear Medicine and Molecular Imaging Caption Representative structural MRI image (PD-weighted IDEAL image, A and D), [18F]NaF PET SUV images (B and E), and PET/MR fusion images (C and F) of a healthy knee and a knee with osteoarthritis. MOAKS scoring of MR images was used to identify the size of osteophytes, bone marrow lesions and cartilage loss within various bone regions in the patella, tibia and femur. Arrows highlight bone regions with osteophytes in blue, bone marrow lesions in yellow, and cartilage loss in green. Credit LE Watkins, et al., Stanford University, CA. Usage Restrictions Please give appropriate credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.