PMC8208761_01
Destructive changes in left ankle, right wrist and left knee. The upper left two panels demonstrate diffuse osteopenia of the left foot and ankle with osseous destruction and loss of subchondral bone involving the talus and navicular at the talonavicular joint. The right wrist (upper two right panels) demonstrates severe osteopenia with the carpus volarly dislocated from the distal radius. There are irregular destructive changes of the distal ulna especially along the distal radioulnar joint. There is advanced osteopenia centred around the left knee (lower three panels) with loss of subchondral bone involving the patellofemoral and femorotibial articular surfaces with ossific densities in the superpatellar pouch suggesting some degree of chronicity.
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F1
At time of admission, radiographs revealed severe destructive changes in the wrist and knee, as well as left ankle (Fig. 1).