Fig. 1
From: Monogenic disorders as mimics of juvenile idiopathic arthritis
a – c Bilateral progressive erosive change and destruction primarily affecting the navicular and cuneiform bones over 10 years, aged 4 to 14 years. 1 (d – e) Bilateral destructive changes involving the carpal bones with subsequent foreshortening of the wrists and overlapping of the metacarpals over the distal radius