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Joint Preservation and Replacement

Mosaicplasty

Mosaicplasty is osteochondral autograft transplantation in which multiple plugs of healthy cartilage tissue are taken from the patient's knee joint and transplanted into several damaged areas of a joint.

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Osteochondral Allograft Transplantation

Osteochondral allograft transplantation is performed when the damaged cartilage is too large for an autograft. In most cases, this is an open procedure in which surgeons transplant cartilage tissue taken from a cadaver donor to damaged areas in the joint. The donor cartilage and bone tissue is larger than an autograft and can be shaped ... Read More »

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Osteochondral Autograft Transplantation

Osteochondral autograft transplantation is performed to treat cartilage defects in the bone. Using arthroscopic techniques, surgeons transplant healthy cartilage tissue taken from one part of the joint and transfer to an area of cartilage in another area of the joint. The graft is pressed into place, leaving a smooth surface on the joint.

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Drilling

In this surgical procedure, doctors use arthroscopy to make small incisions around the knee and insert a tiny camera to guide them through surgery. They drill small holes, or microfractures/a>, into the bone of the damaged area to stimulate the production of cells that create new cartilage. In some cases, the heat from the drill ... Read More »

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Microfracture Surgery of the Knee

This common procedure is performed through arthroscopy by making small holes, or microfractures, in the bone in the region of the damaged cartilage with an awl. The microfractures stimulate the production of cells in the bones, creating a healing response that produces new cartilage.

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Autologous Chondrocyte Implantation

In this two-part surgical procedure, healthy cartilage is scraped and removed from the bone through arthroscopy. The cartilage cells are then cultured and expended over a three-to-five-week period. In a second procedure, the newly grown cultured cells are implanted into cartilage defects in the joint.

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Abrasion Arthroplasty

This surgical procedure grinds down, reshapes and smooths the damaged surface of a joint. Using arthroscopic surgery, high-speed burrs remove the damaged cartilage.

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Vascularized Fibula Graft Procedure for the Hip

Vascularized fibula graft procedure for the hip treats osteonecrosis by removing a part of a bone (fibula) in the lower leg, artery and vein, and transplanting them into a hole created in the femoral head. Reattaching the artery and vein brings new blood flow to the affected area. This procedure may be used when nonsurgical ... Read More »

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Tibial Tuberosity Transfer Treatment of the Knee

The tibial tubercle is the bump on the front of the leg where the patellar tendon inserts. In some patients with a poorly positioned patella, a procedure that moves the tibial tubercle is necessary. By cutting and shifting the bump, the kneecap’s position changes, realigning the patella, alleviating pressure and making it less likely to ... Read More »

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Total Knee Replacement Surgery

A total knee replacement is recommended for patients whose knees have been damaged from arthritis, osteonecrosis or trauma when nonsurgical approaches such as rest, medication, and physical therapy are no longer helpful. Knee replacement involves removing damaged cartilage and releasing tightened ligaments, then implanting prosthetic components securely into place. [youtube id="z-RJ7JTBlkY" width="600" height="350" ... Read More »

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Keck Medicine of USC is the University of Southern California’s medical enterprise, one of only two university-owned academic medical centers in the Los Angeles area.