PMC4857746_01
Pre-operative X-ray showing congenital radial head dislocation with the radius bowed anteriorly.. The capitulum is hypoplastic.
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There was no evidence of any previous fracture ( Figure 1).
Immediate post-operative X-ray with radial shortening and fixation with plate and screws.. The radial bow is corrected. The radial head is fixed with a transarticular pin.
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An MRI showed posterior dislocation of the radial head and formation of a pseudo-joint with the adjacent margin of the ulna ( Figure 2).
One year follow up showing remodeling of the radial head.
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An X-ray showed reforming of the radial head articular surface with good congruity of the radiocapitellar joint with no deformity of the radial shaft ( Figure 3).