PMC4996060_01
Radial head fracture (Mason IV).
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We report the case of a 25-year-old male, right handed, who suffered from a fracture-dislocation of the left radial head (Mason IV) after a motorcycle incident (Figure 1).
Radial head prosthesis.
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The ligament reinsertion and the implant was initially protected and stabilized with an articulated external fixator, maintained for 40 days after surgery (Figure 2).
Rupture of the prosthetic stem.
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A rupture of the prosthetic stem was shown on the radiographs (Figure 3).
Prosthetic removal.
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Based on this evaluation, it was decided not to implant a new radial head prosthesis (Figure 4).
ROM after resection artrhoplasty.
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ROM, sensibility and strength showed values similar to those of the previous evaluation (Figure 5); the paresthesias on the ulnar nerve territory persisted.