# Femoral alloprosthesis in bone defect of 30 cm as extremity salvage

## TL;DR

A femoral alloprosthesis successfully salvaged a 30 cm bone defect in a patient with severe femoral osteomyelitis, offering a solution for large bone defects.

## Contribution

This case demonstrates the use of femoral alloprosthesis for large infectious bone defects, a novel application in this clinical context.

## Key findings

- A 51-year-old male with a 30 cm femoral defect achieved limb salvage using a femoral alloprosthesis.
- The technique offers an alternative for large resections due to infectious processes in young patients.
- The approach addresses the shortage of specific prosthetic components in the region.

## Abstract

Defects in femoral bone segments represent a reconstructive challenge; they are caused secondary to multiple and extensive debridement in cases of patients with infections, tumors or high-energy trauma. Different treatments have been proposed to address this problem, however, these are limited when it comes to large defects that generate instability of the implants in the native bone as well as loss of functionality and length of the extremities. In the proximal femur, allograft prosthesis composites have been described in the management of extensive tumor resections, but they are not yet widely used in the management of bone defects due to osteomyelitis. The case of a 51-year-old male patient with post-traumatic pan-osteomyelitis of the femur Cierny-Mader IV with a 30-centimeter defect in whom limb salvage was achieved through the application of a femoral alloprosthesis is presented, exhibiting this surgical technique as an alternative in ample resections secondary to infectious processes in young patients, furthermore, offering a solution to the shortage of some prosthetic components in our surrounding.