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Scar mass as seen at three months after (A) simple suture repair and (B) scaffold enhanced suture repair where a protein scaffold carrying blood components was placed between the torn ligament ends at the time of repair. Ligaments treated with the scaffold enhancement had a larger and more organized scar mass at three months, with a gross appearance closer to that of an intact porcine ACL. (Figure from Joshi et al, AJSM 200937).
