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Chemosterilized autolyzed antigen-extracted allogeneic (AAA) bone matrix gelatin for repair of defects from excision of benign bone tumors: a preliminary report.

In a series of 33 bone graft operations, antigen-extracted, autolyzed, allogeneic (AAA) bone matrix gelatin was substituted for autologous bone. The period of follow-up was 2.0 to 3.5 years. AAA bone gelatin was resorbed more rapidly than whole bone. AAA bone gelatin was replaced by new bone in the same intervals of time as observed with autologous bone. In treatment of bone tumors with AA bone gelatin, the results of the operation depend upon the nature of the pathologic processes in the host bed. In normal host bed, tight contact between implant and recipient bone is essential for success. The overall results of a preliminary study of 33 cases of 91% successful.