全膝关节置换术后股骨头软骨下不全性骨折并发症

The Open Orthopaedics Journal Pub Date : 2019-12-31 DOI:10.2174/1874325001913010255

A. Suzuki, T. Mine, K. Ihara, H. Kawamura, Ryutaro Kuriyama, Yasunari Tominaga

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引用次数: 0

摘要

股骨软骨下不全性骨折(SIF)在老年女性骨质疏松症中已被观察到。我们报告一例罕见的全膝关节置换术后股骨头软骨下不全性骨折并发症。组织学结果提示股骨头坏死或SIF。MRI特征被认为对骨坏死和SIF的鉴别是有用的。股骨头SIF可能与多种病理情况有关，但其具体的发病机制尚不清楚。

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Subchondral Insufficiency Fracture of the Femoral Head Complicated after Total Knee Arthroplasty

Subchondral Insufficiency Fracture (SIF) of the femoral head has been observed in elderly women with osteoporosis. We present a rare case of subchondral insufficiency fracture of the femoral head complicated after total knee arthroplasty. Histological findings suggested osteonecrosis or SIF of the femoral head. MRI characteristics were considered to be useful for the differentiation between osteonecrosis and SIF. Several pathological conditions may be related to SIF of the femoral head, but its detailed pathogenesis is still unknown.

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The Open Orthopaedics Journal

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