PMC3263508_01
Anteroposterior radiograph of the pelvis during admission of the patient, showing a displaced femoral neck fracture on the right side.
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F1
She was shown to have sustained a dislocated cervical fracture of the hip (Fig. 1).
(1) Anteroposterior radiograph of the pelvis and (2) lateral radiograph of the right hip after conventional hemiarthroplasty.
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F2
ROM during the operation did not reveal any instability of the prosthesis and tension of the soft tissues was evaluated as adequate. Radiographs taken after the procedure showed an adequately placed HH (Fig. 2).
Anteroposterior radiograph of the pelvis showing proximal dislocation of the hip.
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F3
Approximately five weeks after the operation the patient sustained a spontaneous dislocation (Fig. 3).
(1) Frontal and (2) lateral radiograph of the right hip showing proximal migration of the femoral stem that has dislocated from its cement mantle.
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F4
However, attempt to closed reduction in the same manner as described above resulted in the displacement of the femoral component from the cement mantle and its proximal migration (Fig. 4).
(1) Anteroposterior radiograph of the pelvis and (2) lateral radiograph of the right hip after conversion to a total hip arthroplasty.
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F5
THA, with the cup in 40 degrees of inclination and approximately 15 degrees of anteversion (Fig. 5). The patient recovered uneventfully, and no functional impairment or dislocation was observed during follow-up.