Document Detail

Replacement of the proximal humerus with MUTARS tumor endoprostheses.
MedLine Citation:
PMID:  19945819     Owner:  NLM     Status:  MEDLINE    
BACKGROUND AND OBJECTIVES: The aim of this study was to analyze our results using a modular endoprosthetic replacement system (MUTARS) for bone tumors of the proximal humerus. METHODS: Thirty-nine patients were treated with a MUTARS endoprosthesis of the proximal humerus. Mean follow-up duration was 38 months (3-138 months). Most operations were necessitated by metastasis (n=30); surgery for a primary tumor (n=9) was less frequent. The Enneking score was recorded and the active ranges of motion for shoulder flexion, abduction, and external rotation. Complete refixation of the rotator cuff was possible in 23 cases. Radiographs of the affected shoulders were obtained in two planes. RESULTS: Patient survival was 77% at 2 years and 45% at 11.5 years after surgery. The survival rate of the limb was 90% at 11.5 years. The mean Enneking score was 19 points (range 7-27 points). The mean shoulder flexion was 34 degrees (range 0-90 degrees ), abduction 33 degrees (range 0-90 degrees ), and external rotation 12 degrees (range 10-50 degrees ). Patients with a complete rotator cuff repair showed a significant better range of motion compared to patients with a partial or no repair (p<0.015). No signs of implant loosening were observed on postoperative radiographs. Seven complications occurred, five of them leading to implant revision. At 11.5 years after surgery, the survival rate for the whole cohort without complications was 72%, without revision of the implant 70%. CONCLUSIONS: Replacement of the proximal humerus with MUTARS endoprosthesis is a viable treatment option for bone tumors with satisfying results.
P Raiss; S Kinkel; U Sauter; T Bruckner; B Lehner
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Publication Detail:
Type:  Journal Article     Date:  2009-11-28
Journal Detail:
Title:  European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology     Volume:  36     ISSN:  1532-2157     ISO Abbreviation:  Eur J Surg Oncol     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-03-16     Completed Date:  2010-05-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8504356     Medline TA:  Eur J Surg Oncol     Country:  England    
Other Details:
Languages:  eng     Pagination:  371-7     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2009 Elsevier Ltd. All rights reserved.
Division of Orthopaedic Oncology, Department of Orthopaedics, University of Heidelberg, Schlierbacher Landstrasse 200 A, 69118 Heidelberg, Germany.
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MeSH Terms
Aged, 80 and over
Arthroplasty, Replacement / methods*
Bone Neoplasms / pathology,  radiography,  surgery*
Humerus / pathology,  radiography,  surgery*
Limb Salvage
Middle Aged
Prospective Studies
Range of Motion, Articular
Rotator Cuff / radiography,  surgery
Shoulder Joint / physiopathology,  radiography
Statistics, Nonparametric
Survival Rate
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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