1. Editorial: from theory to practice – the challenges of compositional MRI in osteoarthritis research 
F.W. Roemer, M.D. 
Osteoarthritis and Cartilage 
Volume 25, Issue 12, Pages (December 2017)
DOI: /j.joca
Copyright © 2017 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1
(A) Non-fat-suppressed T2 map and (B) fat-suppressed T1rho map of the knee joint in a healthy subject shows increases in T2 and T1rho in the trochlea (small arrows) when compared to the femoral condyle and tibia plateau (arrowheads). The increase in cartilage T2 and T1rho is due to the magic angle effect as the trochlear articular surface is oriented 55° relative to the main magnetic field (large arrows).
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2017 Osteoarthritis Research Society International Terms and Conditions