Table 1

Issues and their solutions regarding implant choice.

Issues Solutions
Insufficient bone quality or non-hemispheric acetabulum Tripod DMC or even a DMC with a hook
Significant acetabular defect Reinforcement cage + cemented DMC
Extensive bony acetabular defect Custom reinforcement cage + cemented DMC
Stick to the patient anatomy in complex revision • Inner diameter of the reinforcement cage = outer diameter of the initial cup.
• Cemented DMC diameter = initial cup diameter −4 to 6 mm (thickness of cement).

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