14 month old with wrist bump

Peds ortho cast for several weeks after seeing these plain films. Mom
insisted that there was no trauma. Nothing changed after casting.
[image: pf child wrist.JPG]

[image: pf child wrist 2.JPG]

[image: pf child wrist 3.JPG]

Child came for MRI with contrast

[image: child wrist stir.JPG]

STIR without

[image: child wrist Sag T1 fs post.JPG]
Sag T1 fat sat post

[image: child wrist ax t1fs post.JPG]

ax T1 fat sat post

[image: child wrsit sag PDFS.JPG]
sag PD Fat sat

I am concerned about an old pathologic fracture but am unsure; no soft
tissue component. No abnormal enhancement.

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2 thoughts on “14 month old with wrist bump”

  1. OCAD

    The appearances are suggestive of focal fibrocartilaginous dysplasia. Although this is more common in the proximal tibia, I believe it has been reported in the upper extremity.

    Thanks
    Zaid

  2. The top responses were NOF, fibrous cortical dysplasia and
    fibrocartilaginous dysplasia. The pediatric orthopedic surgeon was very
    happy to receive the comments about the patient. As she tore her meniscus,
    she was out of office, and will be out for 6 weeks, so it took me a few
    days to contact her and relay the opinions. Someone may see this child in
    the future as the family is moving “somewhere east”.

    [gallery]

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