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[Experience with modular system tumor prostheses].

I Cser¹, M Szendröi

¹A Semmelweis Orvostudományi Egyetem Ortopédiai Klinika közleménye.

Magyar Traumatologia, Orthopaedia Es Helyreallito Sebeszet

|January 1, 1992

Summary

This study introduces a modular tumor prosthesis designed to replace bone segments lost during cancer surgery. Initial results in 10 patients show promising outcomes for limb and joint function preservation.

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Area of Science:

Orthopedic oncology
Biomedical engineering
Surgical reconstruction

Background:

Bone tumors, including primary and metastatic cancers, often necessitate surgical resection of affected bone segments.
Restoring structural integrity and function after extensive bone resections, particularly around major joints, presents a significant clinical challenge.

Purpose of the Study:

To describe the design and application of a novel modular tumor prosthesis for reconstructing bone defects.
To evaluate the initial clinical outcomes and feasibility of using this modular prosthesis in patients undergoing tumor resection.

Main Methods:

Development and description of a modular tumor prosthesis system.
Surgical implantation of the modular prosthesis in 10 patients with bone tumors affecting the shoulder, hip, knee, and tibia.
Clinical assessment of functional outcomes and complications over a 1.5-year period.

Main Results:

Modular tumor prostheses were successfully implanted in 10 patients (6 primary bone tumors, 4 metastases).
Prostheses were used for shoulder, hip, knee, and tibia reconstruction.
Despite two complications, initial functional results were encouraging, preserving limb and articular function in most cases.

Conclusions:

The modular tumor prosthesis offers a viable solution for reconstructing bone defects following tumor resection.
This approach allows for tailored reconstruction, potentially preserving limb and joint function.
Further investigation and longer-term follow-up are warranted to fully assess the efficacy and durability of these prostheses.

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