gms | German Medical Science

54. Jahrestagung der Norddeutschen Orthopädenvereinigung e. V.

Norddeutsche Orthopädenvereinigung

16.06. bis 18.06.2005, Hamburg

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Indication and results of modular tumorendoprotheses of the knee joint

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  • corresponding author G. von Salis-Soglio - Universität, Orthopädische Klinik, Leipzig
  • T. Fischer - Leipzig
  • E. Schumann - Leipzig

Norddeutsche Orthopädenvereinigung. 54. Jahrestagung der Norddeutschen Orthopädenvereinigung e.V.. Hamburg, 16.-18.06.2005. Düsseldorf, Köln: German Medical Science; 2005. Doc05novEP76

The electronic version of this article is the complete one and can be found online at: http://www.egms.de/en/meetings/nov2005/05nov150.shtml

Published: June 13, 2005

© 2005 von Salis-Soglio et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by-nc-nd/3.0/deed.en). You are free: to Share – to copy, distribute and transmit the work, provided the original author and source are credited.

Outline

Text

Introduction

Modular tumorendoprostheses of the knee joint are used preferably for tumors, loosening of endoprostheses and periprothetik fractures. The scientific evaluation of those operations is unsatisfactorily.

Material and method

On the basis of the literature and our own casuistry (n = 25) we will report mainly about problems and complications.

Results

The at present available tumorendoprostheses systems are characterised through an uncomplicated handling, problems due to connection as well as implant breakage are hardly seen any more. The rate of infection is 5 %, the rate of loosening with tumors at 20 % after 5 years. Regarding surgery technique the paths of conductions are close to the tibia head and have to be considered. The so far solution of a possible replacement of the patellar tendon is solved unsatisfactorily, so that an insufficient extension of the knee joint can result.

Discussion

Modular tumorendoprostheses of the knee joint are reserved for special indications. On the one hand the handling is uncomplicated but on the other hand there are several possible specific complications such as loosening, injury of nerves and vessels and insufficiency of a patellar tendon replacement.