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Combination of a Corticai Allograft With a Cancellous Autograft in the Canine Tibia
Authors:JOSEPH P DESCH II DVM  MS    HUGH C BUTLER DVM  MS  MARK M GUFFY DVM  MS  † HORST LEIPOLD DVM  MS  PhD
Institution:Department of Surgery and Medicine, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas
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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