Prevalence of abnormalities in knees detected by MRI in adults without knee osteoarthritis: population based observational study (Framingham Osteoarthritis Study)

To examine use of magnetic resonance imaging (MRI) of knees with no radiographic evidence of osteoarthritis to determine the prevalence of structural lesions associated with osteoarthritis and their relation to age, sex, and obesity.Population based observational study.Community cohort in Framingham, MA, United States (Framingham osteoarthritis study).710 people aged >50 who had no radiographic evidence of knee osteoarthritis (Kellgren-Lawrence...