Combination of a Corticai Allograft With a Cancellous Autograft in the Canine Tibia |
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Authors: | JOSEPH P DESCH II DVM MS HUGH C BUTLER DVM MS MARK M GUFFY DVM MS † HORST LEIPOLD DVM MS PhD |
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Institution: | Department of Surgery and Medicine, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas |
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Abstract: | This study was undertaken to determine what difference, if any, occurred when autogenous cancellous bone was placed in the medullary canal of a fresh, 4-cm cortical allograft compared to a fresh cortical allograft alone. Twelve mature dogs were used. A tubular cortical graft was placed in the midshaft of both tibias. The right tibia received the combination graft while the left tibia received a fresh cortical allograft only. Study periods ranged from one week to 17 weeks. The progress of the grafts was assessed by technetium-99m radionuclide bone scans, radiographs, gross and histological examination, and tetracycline labeling. Results indicate that autogenous cancellous bone placed in the medullary canal of a fresh cortical allograft was beneficial to the ingrowth of new blood vessels and incorporation of the cortical graft. |
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