A Comparative Evaluation of Commercially Available Cell-Based Allografts in a Rat Spinal Fusion Model

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Figure 1
Radiographs and micro-CT 3-dimensional reconstructions of Osteocel Plus, Trinity Evolution, and Trinity ELITE implants immediately after implantation (day 0) and at 6 weeks postimplantation (day 42).
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Figure 2
Radiographs of (a) syngeneic bone, (b) Osteocel Plus, (c) Trinity Evolution, and (d) Trinity ELITE allografts 6 weeks postimplantation in the athymic rat lumbar spine.
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Figure 3
Histology of (a) syngeneic bone (b) Osteocel Plus, (c) Trinity Evolution, and (d) Trinity ELITE allografts 6 weeks postimplantation in the athymic rat lumbar spine (toluidine blue–stained, paraffin-embedded sections).
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Figure 4
Semiquantitative histopathological scores for syngeneic bone, Osteocel Plus, Trinity Evolution, and Trinity ELITE allografts 6 weeks postimplantation in the athymic rat lumbar spine.
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Figure 5
Volume of fusion masses (mm³) for syngeneic bone, Osteocel Plus, Trinity Evolution, and Trinity ELITE allografts 6 weeks postimplantation in the athymic rat lumbar spine determined from micro-CT images.