Chronic Inflammatory Arthropathy Preceding Acute Systemic Manifestations of Sarcoidosis: A Possible Overlap of Idiopathic Juvenile Arthritis and Sarcoidosis

Figure 3

(a and b) Magnetic resonance imaging of the left knee demonstrating an important degenerative process, with bilateral thinning of the articular cartilage and narrowing of the tibiofemoral joint space, bone remodeling, diffuse osteochondral lesions, and intense knee synovitis. (c and d) Wrist radiograph showing the presence of bone demineralization, important diffuse reduction of the interline/joint space, carpal and radial erosions, and diffuse intracarpal ankylosis.