Characterised Chondrocyte Implantation (CCI) is a procedure to grow cartilage cells (chondrocytes), seed them onto a collagen membrane, and sew that membrane back onto the knee to cover a cartilage lesion.
Five year outcome
A study by senior researchers compared CCI to microfracture, and found that after five years the results were better than microfracture, but in the early stages the results were directly comparabe.
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