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Medial Collateral Ligament Reconstruction
Dr. James Chen, M.D. - In San Francisco, CA



A surgical procedure performed to replace a torn or incompetent medial collateral ligament (MCL). An incision is made to expose the native MCL attachment sites on the femur and tibia bones. Sockets are drilled at the attachment sites to accommodate graft tissue. The graft is introduced into the sockets and secured in place with absorbable anchors. The knee is then examined to ensure appropriate motion and stability with the intact graft.

Common Questions about Medial Collateral Ligament Reconstruction

What is the medial collateral ligament (MCL)?

The medial collateral ligament is the ligament which connects the femur and the tibia. It is responsible for stabilizing the knee and preventing the knee from being forced inward.

How are medial collateral ligament tears classified?

Medial collateral ligament tears are classified into three different grades. A grade 1 injury indicates stretching of the MCL. A grade 2 injury indicates a partial tear. A grade 3 injury indicates a complete tear of the MCL.

When is a medial collateral ligament reconstruction necessary?

A medial collateral ligament reconstruction may be necessary if the tear cannot heal on its own or when the tear occurs with other major ligament tears.

How is a medial collateral ligament reconstruction performed?

A medial collateral ligament reconstruction is performed by making an incision near the femur and tibia. Sockets are drilled into both the femur and tibia and the graft secured into the socket using absorbable suture anchors.

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