PMC5654322_01
CT-scan: osteolytic lesion on the ischium.
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Plain radiographs and CT-scan showed an osteolytic lesion on the ischiopubic branch invading the acetabulum (Figure 1).
MRI: T2-weighted sequence.
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MRI confirmed the lesion and its extension to the left coxofemoral joint and to the obturator internus muscle (Figure 2), its heterogeneous nature, comprising both liquidous and tissular phases, and revealed a hypersignal inside the bone where the lesion laid.
Radiographs: 12 months after surgery.
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Control radiographs do not show any signs of unsealing on the stem and show good osseointegration of the acetabulum (Figure 3).