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      Ultrastructural study of the extra-articular Leeds-Keio ligament prosthesis.

      Journal of Clinical Pathology
      Adolescent, Adult, Collagen, ultrastructure, Female, Humans, Patellar Dislocation, surgery, Patellar Ligament, Postoperative Period, Prostheses and Implants, Stress, Mechanical, Wound Healing

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          Abstract

          There have been several histological studies of the Leeds-Keio ligament in anterior cruciate ligament reconstruction, but there have been few of the Leeds-Keio ligament in the extra-articular portion. To report the histological and ultrastructural findings of two cases of medial patellofemoral ligament reconstruction using the Leeds-Keio ligament, removed 6.1 years and 8.7 years after implantation. In both cases, the tissue over the Leeds-Keio ligament was a ligament-like tissue. Electron microscopy showed that the diameter of the collagen fibrils in the tissue over the Leeds-Keio ligament was unimodal in the case investigated 6.1 years after implantation but bimodal in the case investigated after 8.7 years. The tissue over the Leeds-Keio ligament may continue to grow with prolonged periods of mechanical stress.

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          Author and article information

          Journal
          15917424
          1770681
          10.1136/jcp.2004.024646

          Chemistry
          Adolescent,Adult,Collagen,ultrastructure,Female,Humans,Patellar Dislocation,surgery,Patellar Ligament,Postoperative Period,Prostheses and Implants,Stress, Mechanical,Wound Healing

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