Limb sparing procedures involving the pelvis are gaining popularity worldwide. However, due to the complex nature of the pelvis, it still remains one of the most difficult skeletal areas on which to operate. The optimal treatment for large pelvic lesion involving the acetabulum and periacetabulum still remains controversial.

The modern saddle prosthesis has seen many changes since its inception in the late 1970s. While these prostheses are not without complication, they can offer several advantages over traditional treatments. These include better functionality, less leg length discrepancy, and less analgesia requirements. The most common complications were deep infection, prosthetic migration, and dislocation. Many authors cited the reason for deep infections as being a function of a large surgical bed with significant hematoma formation.1, 3, 8, 11, 12, 16 Because of the morbidity associated with these procedures, patients must be carefully selected.

Over the next few decades, as advancements in tumor detection enable earlier diagnosis, breakthrough medical and surgical treatments (including limb sparing procedures) will allow better day-to-day functionality, better palliation as well as increased patient longevity.

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