Allograft reconstruction of olecranon after traumatic bone loss: a case report.

Despite 2.2 million bone allografts conducted annually, their complication rate remains high, with recipients incurring infection, fracture, instability, and failure to incorporate. Nonunion rates in massive bone allografts-a bone segment ≥5 cm in length that also contains the total circumference of replaced bone-have been documented as high as 50%.