Fig. 1From: Utilizing ultrasound findings of a single indicator joint to assess non-systemic juvenile idiopathic arthritisMSUS features in JIA. a Effusion (double-headed arrow) in the suprapatellar pouch of the knee. b Synovial hypertrophy with PD signals (arrowheads) in the radiocarpal and intercarpal joint. c Longitudinal ultrasound image of the patellar tendon that shows hypoechogenicity and PD signals (arrow) inside the enthesisBack to article page