PMC9805605_01
(a) A 12-year-old girl presented with swelling and pain in the right fingers. She previously had COVID-19 6 months ago. A dorsipalmar radiograph of both hands showed no bony abnormality. There was no periosteal reaction or evidence of bony erosion. (b) T2 fat suppressed coronal images of the right hand shows abnormal signal hyperintensity within the middle phalanges of the fingers and distal phalanx of the thumb consistent with edema (red arrows). (c) T1 weighted sequence of the same hand shows corresponding loss of the fatty marrow signal (red arrows). (d) Coronal T2 fat suppressed sequence of the same hand shows edema of the proximal phalanx of the index finger (red arrow) with sparing of proximal phalages of the other fingers (white arrows) as well as all distal phalanges. (e) Sagittal proton-density image of the right ring finger shows involvement of the middle phalanx (red arrows) with relative sparing of the proximal and distal phalanges.
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F1
There were no joint effusions or evidence of synovitis to suggest an inflammatory arthropathy [Figure 1].