PCA膝关节置换术后胫骨托骨折。两例报告。
Fracture of the tibial tray following PCA knee replacement. A report of two cases.
作者信息
Maruyama M, Terayama K, Sunohara H, Adachi T, Suzuki S, Fukuzawa T
机构信息
Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto, Japan.
出版信息
Arch Orthop Trauma Surg. 1994;113(6):330-3. doi: 10.1007/BF00426182.
PMID:7833211
Abstract
We report two cases in which fracture of the tibial metal tray was thought to be due to improper design of the tray and heavy polyethylene wear. The bone beneath the fractured portion of the tray was deficient and had been replaced by granulomatous fibrous tissue including numerous polyethylene wear particles and foreign-body giant cells. Osteolysis occurred as a tissue reaction to these particles.
摘要
我们报告了两例胫骨金属托盘骨折的病例，认为这是由于托盘设计不当和聚乙烯严重磨损所致。托盘骨折部位下方的骨质缺损，已被包括大量聚乙烯磨损颗粒和异物巨细胞的肉芽肿性纤维组织所取代。骨溶解是作为对这些颗粒的组织反应而发生的。
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