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J Bone Joint Surg Br · Mar 1997
Articular penetration is more likely in Garden-I fractures of the hip.
- P Hernigou and P Besnard.
- Hôpital Henri Mondor, Creteil, France.
- J Bone Joint Surg Br. 1997 Mar 1; 79 (2): 285-8.
AbstractPlain radiographs show only two dimensions of a three-dimensional object. On anteroposterior and lateral radiographs an implant may appear to be safely within the head of the femur although surface penetration has occurred. We have attempted to identify this complication in the treatment of fractures of the femoral neck and have analysed the position of a screw or pin in the femoral head and neck on the basis of orthogonal frontal and lateral radiographs. A retrospective analysis of 60 cases of osteosynthesis of fractures of the femoral neck confirmed the risk of non-recognition of articular penetration or breaking of the cortex of the neck during surgery. Unrecognised screw penetration of the hip was observed in 8% and of the posterior part of the neck in 10%. The risk differs according to the type of fracture: it is greater in the coxa valga produced by Garden-I fractures of the femoral neck.
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