[A new technique of segmental bone replacement in metastatic osteolysis in long bones].

Intercalary replacement is a valuable option in the treatment of diaphysary long bone metastases. In certain cases methylmethacrylate bone cement may be used as a cheap and readily available alternative to modular or custom-made prostheses. Stabilization is best performed by locked intramedullary nailing. By cutting open the cylindric part of a large syringe and placing it around the bone ends after resection a mould is created where liquid bone cement can be filled in. Thus spilling of liquid methacrylate into the adjacent soft tissues is prevented. After curing this results in a smooth round intercalary segment with perfect contact to the bone ends allowing early postoperative mobilization.