The jumbo cup: Curtain calls and caveats

Use of an oversized “jumbo cup” is an effective technique for revision of most failed acetabular components. The jumbo cup is prepared with hemispherical reamers and provides a large porous ingrowth surface area in direct contact with the host bone. However, since the oversized cup is larger than the native acetabulum, the hip center can be raised, which may require use of a longer femoral head to maintain soft tissue tension and leg length. The anterior edge of the cup may also protrude through the anterior wall, which could be a cause of iliopsoas tendonitis resulting in groin pain.