Megaprostheses after resection of distal femoral tumors - A rotating hinge design in 30 patients followed for 2-7 years

被引:83
作者
Choong, PFM
Sim, FH
Pritchard, DJ
Rock, MG
Chao, EYS
机构
[1] MAYO CLIN,DEPT ORTHOPED,ROCHESTER,MN
[2] ST VINCENTS HOSP,MELBOURNE,FL
[3] JOHNS HOPKINS UNIV HOSP,BALTIMORE,MD
来源
ACTA ORTHOPAEDICA SCANDINAVICA | 1996年 / 67卷 / 04期
关键词
D O I
10.3109/17453679609002328
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Between 1981-1993, we inserted 32 Kinematic notating-Hinge Knee tumor prostheses in 30 patients, of which 2 concerned revisions of the same type of prosthesis, The diagnoses were 21 osteosarcomas, 2 chondrosarcomas, 2 Ewing's sarcomas, 2 metastatic breast carcinomas, 1 multiple myeloma, 1 giant cell tumor and 1 Gorham's disease, The median age was 25 (12-60) years and the median follow-up for survivors was 3.5 (2-6.6) years. There were 7 metastases and 1 local recurrence. 20 knees had excellent (MSTS) scores for motion (median flexion 120 degrees), 8 had good (84 degrees) and 4 had fair (45 degrees). The overall function was excellent in 6 cases, good in 14, fair in 9 and poor in 3, The radiographic assessment (ISOLS) gave ''excellent'' or ''good'' scores in 27 knees for bone remodelling, 31 for the interface, 28 for anchorage, 31 for the implant body and 30 for the articulation, Extracortical bone bridging greater than 25% was observed in 18 of 27 prostheses.
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页码:345 / 351
页数:7
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