Fig. 4From: The joints in juvenile idiopathic arthritis a Ultrasound (panoramic view) of the ventral aspect of the knee shows fluid in the supra-patellar recess (arrow), cranial to the patella (asterisk), under the patellar tendon (arrowhead) and overlying the femur (small arrow) suggestive of synovitis. b The findings were confirmed by MRI, which shows slightly hypertrophic, enhancing synovium in keeping with synovitisBack to article page