Abstract
This description shows the histological findings of a peroneus brevis tendon allograft used for labral reconstruction, implanted 8 weeks before being retrieved due to a postoperative complication unrelated to the graft. As far as we have knowledge this is the first description about revascularization of an allograft used for hip labral reconstruction. The histological report of the removed peroneus brevis tendon allograft shows evidence of vascular ingrowth represented by small vessels with a thin muscular wall in all layers of the graft and cellular migration mainly represented by mature fibroblasts.
Highlights
It has been shown that the acetabular labrum has an important function in the normal biomechanics and stability of the hip [1]
The main finding of this case report is the early vascularization of a tendon allograft used for a labral reconstruction in a human hip
Labral reconstructions are performed in cases where labral repair is not possible, and are mainly performed using autografts, and in fewer cases using allografts [5, 6]
Summary
It has been shown that the acetabular labrum has an important function in the normal biomechanics and stability of the hip [1]. Ligament reconstruction with allografts and autografts has been widely studied and described in literature. When comparing the clinical outcomes of allografts and autografts in anterior cruciate ligament (ACL) reconstruction, similar objective and patient-reported outcomes have been described [7, 8]. Revascularization of tendon allograft in labral reconstruction 75
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