PMC6197414_01
Anteroposterior radiograph showing wearing of the polyethylene.
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fig1
An important cup asymmetry that indicated wearing of the polyethylene was observed in the radiographic study (Fig. 1).
Postoperative radiograph after first revision. A Bioball 4XL was required.
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fig2
Regarding to the case, the most probable cause of this laxity is the placement of the revision cup which is in a high, neutral and horizontal position (Fig. 2).
Anteroposterior radiograph after the lightning strike. The fracture locates through the base of the neck.
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fig3
Plain radiographs demonstrated a displaced fracture through the base of the neck of the femoral component (Fig. 3).
Postoperative radiograph after second revision with four Dall-Milles cerclages.
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fig4
Finally, the osteotomy was fixed with four Dall-Miles cerclages (Fig. 4).