Figure 1From: Synovial hemangioma of the knee joint in a 12-year-old boy: a case report Axial T1-weighted image after gadolinium administration demonstrates a mass of intermediate signal intensity with inhomogeneous enhancement in the suprapatellar pouch. The tumour has an intra-articular (white arrow) and an extra-articular part (black arrow) and is not clearly distinguishable from the vastus medialis muscle.Back to article page