Use of morselized bone allograft in revision hip arthroplasty for massive acetabular defect: A systematic review and meta-analysis.

Purpose: Many treatment options are available for the revision of large acetabular defects. Debate continues as to which technique is most effective. This meta-analysis aimed to determine the rates of failure of acetabular bone defects Paprosky type III or American Academy of Orthopaedic types III-IV treated with morselized allograft in association with cemented cup or cementless cup or reinforcement devices.