PMC4601977_01
Plain radiograph shows failure of dynamic hip screw fixation.
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A 65-year-old female patient presented with failure of dynamic hip screw fixation for treatment of pathological intertrochanteric fracture of her left hip (Fig. 1).
Initial plain radiograph of fracture.
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Three years prior to the visit at the clinic, she had pathological intertrochanteric fracture at her left hip from osteomyelitis while she was changing posture from standing to sitting (Fig. 2).
Immediate postoperative plain radiograph.
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The postoperative examination found that the patient still had a shortened left leg of 5 cm compared with the right side (Fig. 3).
Six-week follow-up plain radiograph.
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The hip radiographs demonstrated dissociation of the components of the bipolar hemiarthroplasty at the femoral head and neck junction (Fig. 4).
Immediate postrevision operative plain radiograph.
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A new femoral head with a longer offset was assembled to the old femoral stem (Fig. 5).