PMC8598352_01
Initial X-ray of the fracture. After a stumble fall, the patient presented herself to an orthopedist. An anteroposterior X-ray of the pelvis was conducted and showed a fracture of the pelvis with a dislocation of the prosthesis.
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The resident doctor conducted computed tomography (CT) and native x-rays on the hip to reveal the affected part (Figures 1 and 2).
Preoperative CT of the pelvis. (a) shows the large osteolysis in the sagittal plane. (b) is the corresponding coronal plane of the patient's left hip.
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The resident doctor conducted computed tomography (CT) and native x-rays on the hip to reveal the affected part (Figures 1 and 2).
CT volume rendering of the pelvis. The reconstruction of all CT planes gives an overview of the fracture of the Os ilium and the extent of the cyst.
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The ilium, the pubis, and the sciatic bone were lined with pronounced osteolytic linings (Figure 3).
Metallotic pseudotumor. (a) shows the intraoperative metallosis with pronounced osteolysis. (b) shows the resected metallotic tissue after a complete surgical debridement.
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The acetabulum was debrided, and the metallosis was shown here at the smaller pelvis, carefully and extensively debrided (Figure 4).
Surgical reconstruction after implantation of a cemented THA. (a) is an anteroposterior X-ray of the pelvis that shows the postoperative situation. On the left side, the patient carries a McMinn-like prosthesis without any symptoms or functional deficits. In (b), the bony acetabular reconstruction is observed. The cup was fixated with three screws to increase rotatory stability.
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Carried out is the femoral implantation of a Lubinus Classic Plus shaft (Waldemar Link GmbH, Hamburg, Germany), size 4, 126  CCD angle, 150 mm long (Figure 5).
Follow-up X-ray 6 months after surgery. The anteroposterior view of the pelvis shows the correct placement of the implants and a boney healing of the Os ilium.
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In the follow-up examination 6 months after surgery, the patient mobilized herself freely and with full weight bearing on the left leg (Figure 6).