PMC7350691_01
Anteroposterior radiograph of the pelvis showing the right Total Hip Arthroplasty.
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F1
A dual mobility device (Tornier, France) was implanted: cup size was 46 mm, head size was 22 mm and a lateralized Meije stem (Tornier) (Figure 1).
Lateral radiograph of the right total hip arthroplasty.
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F2
Ultrasonography found soft-tissue impingement of the large diameter mobile liner with the iliopsoas tendon (Figure 2).
(A) Ultrasonography showing the DM liner (small arrow) and the iliopsoas tendon (big arrow). Arthro-CT-scan: impingement between the DM liner (small arrows and iliopsoas tendon (big arrow) showed in the sagittal (B), coronal oblique (C) and axial plane (D).
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F3
An arthro-CT scan was performed and showed that the liner impinged with the iliopsoas tendon (Figure 3).