Grigoris P, Roberts P, McMinn D J, Villar R N
Royal Orthopaedic Hospital, Birmingham, England.
J Bone Joint Surg Br. 1993 Jan;75(1):25-7. doi: 10.1302/0301-620X.75B1.8421027.
We describe a simple, retroperitoneal approach for the removal of acetabular components that have migrated into the pelvis. The dense fibrous tissue layer which surrounds the implant protects the iliac vessels during removal of the cup by this method.