MRI demonstrates the extension of juxta-articular venous malformation of the knee and correlates with joint changes. - Jans L; Ditchfield M; Jaremko JL; Stephens N; Verstraete K; Jans, L; Ditchfield, M; Jaremko, J L; Stephens, N; Verstraete, K (European Radiology, 2010)